11230000331021 has 4 divisors (see below), whose sum is σ = 11231674208700. Its totient is φ = 11228326453344.

The previous prime is 11230000330987. The next prime is 11230000331051. The reversal of 11230000331021 is 12013300003211.

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 5885645821225 + 5344354509796 = 2426035^2 + 2311786^2 .

It is a cyclic number.

It is not a de Polignac number, because 11230000331021 - 2²² = 11229996136717 is a prime.

It is a super-2 number, since 2×11230000331021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11230000331051) 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, 836928776 + ... + 836942193.

It is an arithmetic number, because the mean of its divisors is an integer number (2807918552175).

Almost surely, 2^{11230000331021} is an apocalyptic number.

It is an amenable number.

11230000331021 is a deficient number, since it is larger than the sum of its proper divisors (1673877679).

11230000331021 is an equidigital number, since it uses as much as digits as its factorization.

11230000331021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673877678.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11230000331021 its reverse (12013300003211), we get a palindrome (23243300334232).

The spelling of 11230000331021 in words is "eleven trillion, two hundred thirty billion, three hundred thirty-one thousand, twenty-one".