113021132123 has 16 divisors (see below), whose sum is σ = 117037509120. Its totient is φ = 109079214816.

The previous prime is 113021132117. The next prime is 113021132137. The reversal of 113021132123 is 321231120311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 113021132123 - 2³⁰ = 111947390299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113021132095 and 113021132104.

It is not an unprimeable number, because it can be changed into a prime (113021132143) 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 15 ways as a sum of consecutive naturals, for example, 2531036 + ... + 2575302.

It is an arithmetic number, because the mean of its divisors is an integer number (7314844320).

Almost surely, 2^113021132123 is an apocalyptic number.

113021132123 is a deficient number, since it is larger than the sum of its proper divisors (4016376997).

113021132123 is an equidigital number, since it uses as much as digits as its factorization.

113021132123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45106.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 113021132123 its reverse (321231120311), we get a palindrome (434252252434).

The spelling of 113021132123 in words is "one hundred thirteen billion, twenty-one million, one hundred thirty-two thousand, one hundred twenty-three".