131103122032121 has 16 divisors (see below), whose sum is σ = 140025132864000. Its totient is φ = 122461485662208.

The previous prime is 131103122032109. The next prime is 131103122032153. The reversal of 131103122032121 is 121230221301131.

It is a happy number.

It is not a de Polignac number, because 131103122032121 - 2³⁸ = 130828244125177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131103122052121) 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, 134569736 + ... + 135540473.

It is an arithmetic number, because the mean of its divisors is an integer number (8751570804000).

Almost surely, 2^{131103122032121} is an apocalyptic number.

It is an amenable number.

131103122032121 is a deficient number, since it is larger than the sum of its proper divisors (8922010831879).

131103122032121 is a wasteful number, since it uses less digits than its factorization.

131103122032121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270110728.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 131103122032121 its reverse (121230221301131), we get a palindrome (252333343333252).

The spelling of 131103122032121 in words is "one hundred thirty-one trillion, one hundred three billion, one hundred twenty-two million, thirty-two thousand, one hundred twenty-one".