1120123113111 has 12 divisors (see below), whose sum is σ = 1617966340120. Its totient is φ = 746743788720.

The previous prime is 1120123113097. The next prime is 1120123113169. The reversal of 1120123113111 is 1113113210211.

1120123113111 is a `hidden beast` number, since 1 + 120 + 1 + 231 + 1 + 311 + 1 = 666.

It is not a de Polignac number, because 1120123113111 - 2¹⁸ = 1120122850967 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 (1120123112111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1472676 + ... + 2099766.

Almost surely, 2^{1120123113111} is an apocalyptic number.

1120123113111 is a deficient number, since it is larger than the sum of its proper divisors (497843227009).

1120123113111 is a wasteful number, since it uses less digits than its factorization.

1120123113111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825566 (or 825563 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 1120123113111 its reverse (1113113210211), we get a palindrome (2233236323322).

The spelling of 1120123113111 in words is "one trillion, one hundred twenty billion, one hundred twenty-three million, one hundred thirteen thousand, one hundred eleven".