11310233221 has 16 divisors (see below), whose sum is σ = 12981513600. Its totient is φ = 9652930560.

The previous prime is 11310233213. The next prime is 11310233237. The reversal of 11310233221 is 12233201311.

It is not a de Polignac number, because 11310233221 - 2³ = 11310233213 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 (11310233201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1634050 + ... + 1640956.

It is an arithmetic number, because the mean of its divisors is an integer number (811344600).

Almost surely, 2^11310233221 is an apocalyptic number.

It is an amenable number.

11310233221 is a deficient number, since it is larger than the sum of its proper divisors (1671280379).

11310233221 is an equidigital number, since it uses as much as digits as its factorization.

11310233221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7884.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11310233221 its reverse (12233201311), we get a palindrome (23543434532).

The spelling of 11310233221 in words is "eleven billion, three hundred ten million, two hundred thirty-three thousand, two hundred twenty-one".