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10101121210200 = 23352177914984131
BaseRepresentation
bin1001001011111101100110…
…1111011101011101011000
31022202122202111121222022210
42102333121233131131120
52310444044012211300
633252220243315120
72061532125425226
oct222773157353530
938678674558283
1010101121210200
113244952650a19
1211717b907baa0
135836bb033b47
1426cc7b04db16
15127b47803050
hex92fd9bdd758

10101121210200 has 384 divisors, whose sum is σ = 33800872320000. Its totient is φ = 2486263603200.

The previous prime is 10101121210199. The next prime is 10101121210247. The reversal of 10101121210200 is 201212110101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 120022135 + ... + 120106265.

It is an arithmetic number, because the mean of its divisors is an integer number (88023105000).

Almost surely, 210101121210200 is an apocalyptic number.

10101121210200 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 10101121210200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16900436160000).

10101121210200 is an abundant number, since it is smaller than the sum of its proper divisors (23699751109800).

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

10101121210200 is a wasteful number, since it uses less digits than its factorization.

10101121210200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84395 (or 84386 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10101121210200 its reverse (201212110101), we get a palindrome (10302333320301).

The spelling of 10101121210200 in words is "ten trillion, one hundred one billion, one hundred twenty-one million, two hundred ten thousand, two hundred".