120111021983 has 8 divisors (see below), whose sum is σ = 122934834000. Its totient is φ = 117288597888.

The previous prime is 120111021977. The next prime is 120111022019. The reversal of 120111021983 is 389120111021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120111021983 - 2⁸ = 120111021727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120111026983) 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, 170828 + ... + 519041.

It is an arithmetic number, because the mean of its divisors is an integer number (15366854250).

Almost surely, 2^120111021983 is an apocalyptic number.

120111021983 is a deficient number, since it is larger than the sum of its proper divisors (2823812017).

120111021983 is an equidigital number, since it uses as much as digits as its factorization.

120111021983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693961.

The product of its (nonzero) digits is 864, while the sum is 29.

The spelling of 120111021983 in words is "one hundred twenty billion, one hundred eleven million, twenty-one thousand, nine hundred eighty-three".