121415533204131 has 24 divisors (see below), whose sum is σ = 181885376434944. Its totient is φ = 80938391390280.

The previous prime is 121415533204079. The next prime is 121415533204151. The reversal of 121415533204131 is 131402335514121.

121415533204131 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 1 + 553 + 32 + 0 + 41 + 31 = 666.

It is not a de Polignac number, because 121415533204131 - 2²³ = 121415524815523 is a prime.

It is a super-2 number, since 2×121415533204131² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121415533204151) 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 23 ways as a sum of consecutive naturals, for example, 12627655 + ... + 20057136.

It is an arithmetic number, because the mean of its divisors is an integer number (7578557351456).

Almost surely, 2^{121415533204131} is an apocalyptic number.

121415533204131 is a deficient number, since it is larger than the sum of its proper divisors (60469843230813).

121415533204131 is an equidigital number, since it uses as much as digits as its factorization.

121415533204131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32700093 (or 32700081 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

Adding to 121415533204131 its reverse (131402335514121), we get a palindrome (252817868718252).

The spelling of 121415533204131 in words is "one hundred twenty-one trillion, four hundred fifteen billion, five hundred thirty-three million, two hundred four thousand, one hundred thirty-one".