120111233223231 has 40 divisors (see below), whose sum is σ = 180280336819968. Its totient is φ = 79692642666000.

The previous prime is 120111233223199. The next prime is 120111233223239. The reversal of 120111233223231 is 132322332111021.

120111233223231 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 1 + 1 + 2 + 332 + 2 + 323 + 1 = 666.

It is not a de Polignac number, because 120111233223231 - 2⁵ = 120111233223199 is a prime.

It is a super-2 number, since 2×120111233223231² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 120111233223195 and 120111233223204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120111233223239) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1016359776 + ... + 1016477946.

Almost surely, 2^{120111233223231} is an apocalyptic number.

120111233223231 is a deficient number, since it is larger than the sum of its proper divisors (60169103596737).

120111233223231 is a wasteful number, since it uses less digits than its factorization.

120111233223231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177865 (or 177856 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 120111233223231 its reverse (132322332111021), we get a palindrome (252433565334252).

The spelling of 120111233223231 in words is "one hundred twenty trillion, one hundred eleven billion, two hundred thirty-three million, two hundred twenty-three thousand, two hundred thirty-one".