131102211121 has 12 divisors (see below), whose sum is σ = 152532739632. Its totient is φ = 112354102728.

The previous prime is 131102211113. The next prime is 131102211127. The reversal of 131102211121 is 121112201131.

It is a happy number.

It is not a de Polignac number, because 131102211121 - 2³ = 131102211113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131102211095 and 131102211104.

It is not an unprimeable number, because it can be changed into a prime (131102211127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64366 + ... + 516088.

It is an arithmetic number, because the mean of its divisors is an integer number (12711061636).

Almost surely, 2^131102211121 is an apocalyptic number.

It is an amenable number.

131102211121 is a deficient number, since it is larger than the sum of its proper divisors (21430528511).

131102211121 is an equidigital number, since it uses as much as digits as its factorization.

131102211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457660 (or 457653 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 131102211121 its reverse (121112201131), we get a palindrome (252214412252).

The spelling of 131102211121 in words is "one hundred thirty-one billion, one hundred two million, two hundred eleven thousand, one hundred twenty-one".