113003021223021 has 4 divisors (see below), whose sum is σ = 150670694964032. Its totient is φ = 75335347482012.

The previous prime is 113003021223019. The next prime is 113003021223097. The reversal of 113003021223021 is 120322120300311.

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.

It is not a de Polignac number, because 113003021223021 - 2¹ = 113003021223019 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 (113003021223721) 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, 18833836870501 + ... + 18833836870506.

It is an arithmetic number, because the mean of its divisors is an integer number (37667673741008).

Almost surely, 2^{113003021223021} is an apocalyptic number.

It is an amenable number.

113003021223021 is a deficient number, since it is larger than the sum of its proper divisors (37667673741011).

113003021223021 is an equidigital number, since it uses as much as digits as its factorization.

113003021223021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37667673741010.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 113003021223021 its reverse (120322120300311), we get a palindrome (233325141523332).

The spelling of 113003021223021 in words is "one hundred thirteen trillion, three billion, twenty-one million, two hundred twenty-three thousand, twenty-one".