121104235131 has 16 divisors (see below), whose sum is σ = 176986466688. Its totient is φ = 73048651200.

The previous prime is 121104235003. The next prime is 121104235177. The reversal of 121104235131 is 131532401121.

It is not a de Polignac number, because 121104235131 - 2⁷ = 121104235003 is a prime.

It is a super-2 number, since 2×121104235131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121104235331) 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, 8689306 + ... + 8703231.

It is an arithmetic number, because the mean of its divisors is an integer number (11061654168).

Almost surely, 2^121104235131 is an apocalyptic number.

121104235131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121104235131 is a deficient number, since it is larger than the sum of its proper divisors (55882231557).

121104235131 is a wasteful number, since it uses less digits than its factorization.

121104235131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17392762.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 121104235131 its reverse (131532401121), we get a palindrome (252636636252).

The spelling of 121104235131 in words is "one hundred twenty-one billion, one hundred four million, two hundred thirty-five thousand, one hundred thirty-one".