113203331222021 has 4 divisors (see below), whose sum is σ = 113203599118092. Its totient is φ = 113203063325952.

The previous prime is 113203331221963. The next prime is 113203331222029. The reversal of 113203331222021 is 120222133302311.

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

It can be written as a sum of positive squares in 2 ways, for example, as 98249448871396 + 14953882350625 = 9912086^2 + 3867025^2 .

It is a cyclic number.

It is not a de Polignac number, because 113203331222021 - 2⁶ = 113203331221957 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 (113203331222029) 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, 133313186 + ... + 134159651.

It is an arithmetic number, because the mean of its divisors is an integer number (28300899779523).

Almost surely, 2^{113203331222021} is an apocalyptic number.

It is an amenable number.

113203331222021 is a deficient number, since it is larger than the sum of its proper divisors (267896071).

113203331222021 is an equidigital number, since it uses as much as digits as its factorization.

113203331222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267896070.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 113203331222021 its reverse (120222133302311), we get a palindrome (233425464524332).

The spelling of 113203331222021 in words is "one hundred thirteen trillion, two hundred three billion, three hundred thirty-one million, two hundred twenty-two thousand, twenty-one".