131303111122121 has 16 divisors (see below), whose sum is σ = 138524055048000. Its totient is φ = 124113202311168.

The previous prime is 131303111122091. The next prime is 131303111122151. The reversal of 131303111122121 is 121221111303131.

It is an interprime number because it is at equal distance from previous prime (131303111122091) and next prime (131303111122151).

It is a cyclic number.

It is not a de Polignac number, because 131303111122121 - 2¹⁰ = 131303111121097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131303111122151) 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, 698910626 + ... + 699098468.

It is an arithmetic number, because the mean of its divisors is an integer number (8657753440500).

Almost surely, 2^{131303111122121} is an apocalyptic number.

It is an amenable number.

131303111122121 is a deficient number, since it is larger than the sum of its proper divisors (7220943925879).

131303111122121 is a wasteful number, since it uses less digits than its factorization.

131303111122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270248.

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 131303111122121 its reverse (121221111303131), we get a palindrome (252524222425252).

The spelling of 131303111122121 in words is "one hundred thirty-one trillion, three hundred three billion, one hundred eleven million, one hundred twenty-two thousand, one hundred twenty-one".