120311111311131 has 16 divisors (see below), whose sum is σ = 173658889635840. Its totient is φ = 73649975506080.

The previous prime is 120311111311081. The next prime is 120311111311201. The reversal of 120311111311131 is 131113111113021.

It is not a de Polignac number, because 120311111311131 - 2⁷ = 120311111311003 is a prime.

It is a super-2 number, since 2×120311111311131² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120311111311098 and 120311111311107.

It is not an unprimeable number, because it can be changed into a prime (120311111311631) 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, 8075647761 + ... + 8075662658.

It is an arithmetic number, because the mean of its divisors is an integer number (10853680602240).

Almost surely, 2^{120311111311131} is an apocalyptic number.

120311111311131 is a deficient number, since it is larger than the sum of its proper divisors (53347778324709).

120311111311131 is a wasteful number, since it uses less digits than its factorization.

120311111311131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16151310626.

The product of its (nonzero) digits is 54, while the sum is 21.

Adding to 120311111311131 its reverse (131113111113021), we get a palindrome (251424222424152).

The spelling of 120311111311131 in words is "one hundred twenty trillion, three hundred eleven billion, one hundred eleven million, three hundred eleven thousand, one hundred thirty-one".