113311210232021 has 8 divisors (see below), whose sum is σ = 117220148461080. Its totient is φ = 109402382344192.

The previous prime is 113311210231991. The next prime is 113311210232023. The reversal of 113311210232021 is 120232012113311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13909811731396 + 99401398500625 = 3729586^2 + 9970025^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113311210232021 - 2²² = 113311206037717 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 (113311210232023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25493360 + ... + 29606313.

It is an arithmetic number, because the mean of its divisors is an integer number (14652518557635).

Almost surely, 2^{113311210232021} is an apocalyptic number.

It is an amenable number.

113311210232021 is a deficient number, since it is larger than the sum of its proper divisors (3908938229059).

113311210232021 is an equidigital number, since it uses as much as digits as its factorization.

113311210232021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55170615.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 113311210232021 its reverse (120232012113311), we get a palindrome (233543222345332).

The spelling of 113311210232021 in words is "one hundred thirteen trillion, three hundred eleven billion, two hundred ten million, two hundred thirty-two thousand, twenty-one".