120131331011 has 16 divisors (see below), whose sum is σ = 130212253728. Its totient is φ = 110405568000.

The previous prime is 120131330999. The next prime is 120131331029. The reversal of 120131331011 is 110133131021.

It is a cyclic number.

It is not a de Polignac number, because 120131331011 - 2³⁴ = 102951461827 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (120131331031) 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, 125840 + ... + 506061.

It is an arithmetic number, because the mean of its divisors is an integer number (8138265858).

Almost surely, 2^120131331011 is an apocalyptic number.

120131331011 is a deficient number, since it is larger than the sum of its proper divisors (10080922717).

120131331011 is a wasteful number, since it uses less digits than its factorization.

120131331011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632182.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 120131331011 its reverse (110133131021), we get a palindrome (230264462032).

The spelling of 120131331011 in words is "one hundred twenty billion, one hundred thirty-one million, three hundred thirty-one thousand, eleven".