121303320032131 has 16 divisors (see below), whose sum is σ = 127983378166560. Its totient is φ = 114652893139200.

The previous prime is 121303320032099. The next prime is 121303320032143. The reversal of 121303320032131 is 131230023303121.

It is not a de Polignac number, because 121303320032131 - 2⁵ = 121303320032099 is a prime.

It is a super-2 number, since 2×121303320032131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121303320032096 and 121303320032105.

It is not an unprimeable number, because it can be changed into a prime (121303320033131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67720305 + ... + 69488461.

It is an arithmetic number, because the mean of its divisors is an integer number (7998961135410).

Almost surely, 2^{121303320032131} is an apocalyptic number.

121303320032131 is a deficient number, since it is larger than the sum of its proper divisors (6680058134429).

121303320032131 is a wasteful number, since it uses less digits than its factorization.

121303320032131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1776534.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 121303320032131 its reverse (131230023303121), we get a palindrome (252533343335252).

The spelling of 121303320032131 in words is "one hundred twenty-one trillion, three hundred three billion, three hundred twenty million, thirty-two thousand, one hundred thirty-one".