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10121122102220 = 22517283160165701
BaseRepresentation
bin1001001101001000000111…
…1000110011101111001100
31022211120101101211120012022
42103102001320303233030
52311311024224232340
633305325044025312
72063140561255613
oct223220170635714
938746341746168
1010121122102220
11325238662a148
12117565b392238
135855579617ac
1426dc174c887a
151284186983b5
hex93481e33bcc

10121122102220 has 96 divisors (see below), whose sum is σ = 22598584497216. Its totient is φ = 3794411520000.

The previous prime is 10121122102079. The next prime is 10121122102277. The reversal of 10121122102220 is 2220122112101.

It is a super-2 number, since 2×101211221022202 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154015370 + ... + 154081070.

It is an arithmetic number, because the mean of its divisors is an integer number (235401921846).

Almost surely, 210121122102220 is an apocalyptic number.

10121122102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10121122102220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11299292248608).

10121122102220 is an abundant number, since it is smaller than the sum of its proper divisors (12477462394996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10121122102220 is a wasteful number, since it uses less digits than its factorization.

10121122102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67611 (or 67609 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10121122102220 its reverse (2220122112101), we get a palindrome (12341244214321).

The spelling of 10121122102220 in words is "ten trillion, one hundred twenty-one billion, one hundred twenty-two million, one hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 283 340 566 1132 1415 1601 2830 3202 4811 5660 6404 8005 9622 16010 19244 24055 27217 32020 48110 54434 65701 96220 108868 131402 136085 262804 272170 328505 453083 544340 657010 906166 1116917 1314020 1812332 2233834 2265415 4467668 4530830 5584585 7702411 9061660 11169170 15404822 18593383 22338340 30809644 37186766 38512055 74373532 77024110 92966915 105187301 154048220 185933830 210374602 316087511 371867660 420749204 525936505 632175022 1051873010 1264350044 1580437555 1788184117 2103746020 3160875110 3576368234 6321750220 7152736468 8940920585 17881841170 29768006183 35763682340 59536012366 119072024732 148840030915 297680061830 506056105111 595360123660 1012112210222 2024224420444 2530280525555 5060561051110 10121122102220