11002331212231 has 4 divisors (see below), whose sum is σ = 11054474962264. Its totient is φ = 10950187462200.

The previous prime is 11002331212189. The next prime is 11002331212319. The reversal of 11002331212231 is 13221213320011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11002331212231 is a prime.

It is a super-2 number, since 2×11002331212231² (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 (11002331218231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26071874700 + ... + 26071875121.

It is an arithmetic number, because the mean of its divisors is an integer number (2763618740566).

Almost surely, 2^{11002331212231} is an apocalyptic number.

11002331212231 is a deficient number, since it is larger than the sum of its proper divisors (52143750033).

11002331212231 is an equidigital number, since it uses as much as digits as its factorization.

11002331212231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52143750032.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 11002331212231 its reverse (13221213320011), we get a palindrome (24223544532242).

The spelling of 11002331212231 in words is "eleven trillion, two billion, three hundred thirty-one million, two hundred twelve thousand, two hundred thirty-one".