120111001984 has 16 divisors (see below), whose sum is σ = 239283637020. Its totient is φ = 60055500928.

The previous prime is 120111001979. The next prime is 120111001991. The reversal of 120111001984 is 489100111021.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469183474 + ... + 469183729.

Almost surely, 2^120111001984 is an apocalyptic number.

It is an amenable number.

120111001984 is a deficient number, since it is larger than the sum of its proper divisors (119172635036).

120111001984 is an frugal number, since it uses more digits than its factorization.

120111001984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938367217 (or 938367205 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 28.

The spelling of 120111001984 in words is "one hundred twenty billion, one hundred eleven million, one thousand, nine hundred eighty-four".