113121332001 has 16 divisors (see below), whose sum is σ = 167655188800. Its totient is φ = 75383607744.

The previous prime is 113121331991. The next prime is 113121332021. The reversal of 113121332001 is 100233121311.

113121332001 is a `hidden beast` number, since 1 + 131 + 213 + 320 + 0 + 1 = 666.

It is not a de Polignac number, because 113121332001 - 2⁶ = 113121331937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113121332021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 782536 + ... + 915753.

It is an arithmetic number, because the mean of its divisors is an integer number (10478449300).

Almost surely, 2^113121332001 is an apocalyptic number.

It is an amenable number.

113121332001 is a deficient number, since it is larger than the sum of its proper divisors (54533856799).

113121332001 is a wasteful number, since it uses less digits than its factorization.

113121332001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700765 (or 1700759 counting only the distinct ones).

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

Adding to 113121332001 its reverse (100233121311), we get a palindrome (213354453312).

The spelling of 113121332001 in words is "one hundred thirteen billion, one hundred twenty-one million, three hundred thirty-two thousand, one".