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101210121210220 = 22511479788212883
BaseRepresentation
bin10111000000110011010001…
…010100101000100101101100
3111021100121000100212101112221
4113000303101110220211230
5101231211312012211340
6555131142100005124
730214122103541641
oct2700632124504554
9437317010771487
10101210121210220
112a280a75976310
12b4272489907a4
1344620c5579b29
141adc84b611dc8
15ba7a92d0c44a
hex5c0cd152896c

101210121210220 has 48 divisors (see below), whose sum is σ = 236796446089728. Its totient is φ = 36020623405760.

The previous prime is 101210121210161. The next prime is 101210121210239. The reversal of 101210121210220 is 22012121012101.

It is a junction number, because it is equal to n+sod(n) for n = 101210121210194 and 101210121210203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4894096102 + ... + 4894116781.

It is an arithmetic number, because the mean of its divisors is an integer number (4933259293536).

Almost surely, 2101210121210220 is an apocalyptic number.

101210121210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101210121210220 is an abundant number, since it is smaller than the sum of its proper divisors (135586324879508).

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

101210121210220 is a wasteful number, since it uses less digits than its factorization.

101210121210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9788212950 (or 9788212948 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101210121210220 its reverse (22012121012101), we get a palindrome (123222242222321).

The spelling of 101210121210220 in words is "one hundred one trillion, two hundred ten billion, one hundred twenty-one million, two hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 47 55 94 110 188 220 235 470 517 940 1034 2068 2585 5170 10340 9788212883 19576425766 39152851532 48941064415 97882128830 107670341713 195764257660 215340683426 430681366852 460046005501 538351708565 920092011002 1076703417130 1840184022004 2153406834260 2300230027505 4600460055010 5060506060511 9200920110020 10121012121022 20242024242044 25302530302555 50605060605110 101210121210220