10010100120 has 64 divisors (see below), whose sum is σ = 30231900000. Its totient is φ = 2651440128.

The previous prime is 10010100101. The next prime is 10010100137. The reversal of 10010100120 is 2100101001.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a junction number, because it is equal to n+sod(n) for n = 10010100099 and 10010100108.

It is a congruent number.

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, 262045 + ... + 297804.

Almost surely, 2^10010100120 is an apocalyptic number.

10010100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10010100120 is an abundant number, since it is smaller than the sum of its proper divisors (20221799880).

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

10010100120 is a wasteful number, since it uses less digits than its factorization.

10010100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560012 (or 560008 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 10010100120 its reverse (2100101001), we get a palindrome (12110201121).

The spelling of 10010100120 in words is "ten billion, ten million, one hundred thousand, one hundred twenty".