120111111982 has 16 divisors (see below), whose sum is σ = 184660388352. Its totient is φ = 58562252280.

The previous prime is 120111111971. The next prime is 120111111983. The reversal of 120111111982 is 289111111021.

It is a self number, because there is not a number n which added to its sum of digits gives 120111111982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120111111983) 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, 1098244 + ... + 1202647.

It is an arithmetic number, because the mean of its divisors is an integer number (11541274272).

Almost surely, 2^120111111982 is an apocalyptic number.

120111111982 is a deficient number, since it is larger than the sum of its proper divisors (64549276370).

120111111982 is a wasteful number, since it uses less digits than its factorization.

120111111982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301543.

The product of its (nonzero) digits is 288, while the sum is 28.

The spelling of 120111111982 in words is "one hundred twenty billion, one hundred eleven million, one hundred eleven thousand, nine hundred eighty-two".