131120021211 has 16 divisors (see below), whose sum is σ = 175574150400. Its totient is φ = 87040366560.

The previous prime is 131120021183. The next prime is 131120021237. The reversal of 131120021211 is 112120021131.

It is not a de Polignac number, because 131120021211 - 2²¹ = 131117924059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131120020211) 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, 613240 + ... + 798938.

It is an arithmetic number, because the mean of its divisors is an integer number (10973384400).

Almost surely, 2^131120021211 is an apocalyptic number.

131120021211 is a deficient number, since it is larger than the sum of its proper divisors (44454129189).

131120021211 is a wasteful number, since it uses less digits than its factorization.

131120021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186706.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 131120021211 its reverse (112120021131), we get a palindrome (243240042342).

The spelling of 131120021211 in words is "one hundred thirty-one billion, one hundred twenty million, twenty-one thousand, two hundred eleven".