101021000120120 has 64 divisors (see below), whose sum is σ = 234187966584000. Its totient is φ = 39200516912128.

The previous prime is 101021000120119. The next prime is 101021000120171. The reversal of 101021000120120 is 21021000120101.

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, 267515900 + ... + 267893259.

It is an arithmetic number, because the mean of its divisors is an integer number (3659186977875).

Almost surely, 2^{101021000120120} is an apocalyptic number.

101021000120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101021000120120 is an abundant number, since it is smaller than the sum of its proper divisors (133166966463880).

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

101021000120120 is a wasteful number, since it uses less digits than its factorization.

101021000120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535409312 (or 535409308 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101021000120120 its reverse (21021000120101), we get a palindrome (122042000240221).

The spelling of 101021000120120 in words is "one hundred one trillion, twenty-one billion, one hundred twenty thousand, one hundred twenty".