120111211992 has 16 divisors (see below), whose sum is σ = 300278030040. Its totient is φ = 40037070656.

The previous prime is 120111211991. The next prime is 120111211993. The reversal of 120111211992 is 299112111021.

It is an interprime number because it is at equal distance from previous prime (120111211991) and next prime (120111211993).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120111211991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2502316893 + ... + 2502316940.

Almost surely, 2^120111211992 is an apocalyptic number.

120111211992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120111211992 is an abundant number, since it is smaller than the sum of its proper divisors (180166818048).

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

120111211992 is a wasteful number, since it uses less digits than its factorization.

120111211992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5004633842 (or 5004633838 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 30.

The spelling of 120111211992 in words is "one hundred twenty billion, one hundred eleven million, two hundred eleven thousand, nine hundred ninety-two".