120031110111 has 16 divisors (see below), whose sum is σ = 174656199168. Its totient is φ = 72718838400.

The previous prime is 120031110103. The next prime is 120031110187. The reversal of 120031110111 is 111011130021.

It is not a de Polignac number, because 120031110111 - 2³ = 120031110103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120031114111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 592746 + ... + 769031.

It is an arithmetic number, because the mean of its divisors is an integer number (10916012448).

Almost surely, 2^120031110111 is an apocalyptic number.

120031110111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120031110111 is a deficient number, since it is larger than the sum of its proper divisors (54625089057).

120031110111 is a wasteful number, since it uses less digits than its factorization.

120031110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364462.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 120031110111 its reverse (111011130021), we get a palindrome (231042240132).

The spelling of 120031110111 in words is "one hundred twenty billion, thirty-one million, one hundred ten thousand, one hundred eleven".