113021120999 has 4 divisors (see below), whose sum is σ = 114382821336. Its totient is φ = 111659420664.

The previous prime is 113021120983. The next prime is 113021121047. The reversal of 113021120999 is 999021120311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113021120999 - 2⁴ = 113021120983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113021128999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680850044 + ... + 680850209.

It is an arithmetic number, because the mean of its divisors is an integer number (28595705334).

Almost surely, 2^113021120999 is an apocalyptic number.

113021120999 is a deficient number, since it is larger than the sum of its proper divisors (1361700337).

113021120999 is an equidigital number, since it uses as much as digits as its factorization.

113021120999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361700336.

The product of its (nonzero) digits is 8748, while the sum is 38.

The spelling of 113021120999 in words is "one hundred thirteen billion, twenty-one million, one hundred twenty thousand, nine hundred ninety-nine".