121023120131 has 16 divisors (see below), whose sum is σ = 126323366400. Its totient is φ = 115801035168.

The previous prime is 121023120089. The next prime is 121023120149. The reversal of 121023120131 is 131021320121.

It is a cyclic number.

It is not a de Polignac number, because 121023120131 - 2³⁴ = 103843250947 is a prime.

It is a super-2 number, since 2×121023120131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121023120431) 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, 2242790 + ... + 2296116.

It is an arithmetic number, because the mean of its divisors is an integer number (7895210400).

Almost surely, 2^121023120131 is an apocalyptic number.

121023120131 is a deficient number, since it is larger than the sum of its proper divisors (5300246269).

121023120131 is a wasteful number, since it uses less digits than its factorization.

121023120131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54058.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 121023120131 its reverse (131021320121), we get a palindrome (252044440252).

The spelling of 121023120131 in words is "one hundred twenty-one billion, twenty-three million, one hundred twenty thousand, one hundred thirty-one".