113000110021 has 4 divisors (see below), whose sum is σ = 113035525344. Its totient is φ = 112964694700.

The previous prime is 113000109983. The next prime is 113000110033. The reversal of 113000110021 is 120011000311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 120011000311 = 137 ⋅875992703.

It is a cyclic number.

It is not a de Polignac number, because 113000110021 - 2¹⁹ = 112999585733 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 (113000110121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17702875 + ... + 17709256.

It is an arithmetic number, because the mean of its divisors is an integer number (28258881336).

Almost surely, 2^113000110021 is an apocalyptic number.

It is an amenable number.

113000110021 is a deficient number, since it is larger than the sum of its proper divisors (35415323).

113000110021 is an equidigital number, since it uses as much as digits as its factorization.

113000110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35415322.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 113000110021 its reverse (120011000311), we get a palindrome (233011110332).

The spelling of 113000110021 in words is "one hundred thirteen billion, one hundred ten thousand, twenty-one".