11232021313231 has 4 divisors (see below), whose sum is σ = 11257375763592. Its totient is φ = 11206666862872.

The previous prime is 11232021313217. The next prime is 11232021313277. The reversal of 11232021313231 is 13231312023211.

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

It is a cyclic number.

It is not a de Polignac number, because 11232021313231 - 2¹¹ = 11232021311183 is a prime.

It is a super-2 number, since 2×11232021313231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11232021313196 and 11232021313205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212021313231) 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, 12677224516 + ... + 12677225401.

It is an arithmetic number, because the mean of its divisors is an integer number (2814343940898).

Almost surely, 2^{11232021313231} is an apocalyptic number.

11232021313231 is a deficient number, since it is larger than the sum of its proper divisors (25354450361).

11232021313231 is an equidigital number, since it uses as much as digits as its factorization.

11232021313231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25354450360.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 11232021313231 its reverse (13231312023211), we get a palindrome (24463333336442).

The spelling of 11232021313231 in words is "eleven trillion, two hundred thirty-two billion, twenty-one million, three hundred thirteen thousand, two hundred thirty-one".