11321222012331 has 16 divisors (see below), whose sum is σ = 18819693735168. Its totient is φ = 5881154292000.

The previous prime is 11321222012311. The next prime is 11321222012411. The reversal of 11321222012331 is 13321022212311.

It is not a de Polignac number, because 11321222012331 - 2⁷ = 11321222012203 is a prime.

It is a super-2 number, since 2×11321222012331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11321222012311) 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, 24504809320 + ... + 24504809781.

It is an arithmetic number, because the mean of its divisors is an integer number (1176230858448).

Almost surely, 2^{11321222012331} is an apocalyptic number.

11321222012331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11321222012331 is a deficient number, since it is larger than the sum of its proper divisors (7498471722837).

11321222012331 is a wasteful number, since it uses less digits than its factorization.

11321222012331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49009619122.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 11321222012331 its reverse (13321022212311), we get a palindrome (24642244224642).

The spelling of 11321222012331 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty-two million, twelve thousand, three hundred thirty-one".