120021011021112 has 16 divisors (see below), whose sum is σ = 300052527552840. Its totient is φ = 40007003673696.

The previous prime is 120021011021111. The next prime is 120021011021167. The reversal of 120021011021112 is 211120110120021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120021011021091 and 120021011021100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120021011021111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2500437729583 + ... + 2500437729630.

Almost surely, 2^{120021011021112} is an apocalyptic number.

120021011021112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120021011021112 is an abundant number, since it is smaller than the sum of its proper divisors (180031516531728).

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

120021011021112 is a wasteful number, since it uses less digits than its factorization.

120021011021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000875459222 (or 5000875459218 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 120021011021112 its reverse (211120110120021), we get a palindrome (331141121141133).

The spelling of 120021011021112 in words is "one hundred twenty trillion, twenty-one billion, eleven million, twenty-one thousand, one hundred twelve".