121323113001 has 12 divisors (see below), whose sum is σ = 175251131328. Its totient is φ = 80879013144.

The previous prime is 121323112993. The next prime is 121323113029. The reversal of 121323113001 is 100311323121.

121323113001 is a `hidden beast` number, since 1 + 21 + 32 + 311 + 300 + 1 = 666.

It is not a de Polignac number, because 121323113001 - 2³ = 121323112993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121323113101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10276 + ... + 492698.

It is an arithmetic number, because the mean of its divisors is an integer number (14604260944).

Almost surely, 2^121323113001 is an apocalyptic number.

It is an amenable number.

121323113001 is a deficient number, since it is larger than the sum of its proper divisors (53928018327).

121323113001 is a wasteful number, since it uses less digits than its factorization.

121323113001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510372 (or 510369 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 121323113001 its reverse (100311323121), we get a palindrome (221634436122).

The spelling of 121323113001 in words is "one hundred twenty-one billion, three hundred twenty-three million, one hundred thirteen thousand, one".