120021011112 has 32 divisors (see below), whose sum is σ = 300066590880. Its totient is φ = 40005128640.

The previous prime is 120021011093. The next prime is 120021011119. The reversal of 120021011112 is 211110120021.

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

It is not an unprimeable number, because it can be changed into a prime (120021011119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464463 + ... + 675105.

It is an arithmetic number, because the mean of its divisors is an integer number (9377080965).

Almost surely, 2^120021011112 is an apocalyptic number.

120021011112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120021011112 is an abundant number, since it is smaller than the sum of its proper divisors (180045579768).

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

120021011112 is a wasteful number, since it uses less digits than its factorization.

120021011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234393 (or 234389 counting only the distinct ones).

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

Adding to 120021011112 its reverse (211110120021), we get a palindrome (331131131133).

The spelling of 120021011112 in words is "one hundred twenty billion, twenty-one million, eleven thousand, one hundred twelve".