11323222121231 has 2 divisors, whose sum is σ = 11323222121232. Its totient is φ = 11323222121230.

The previous prime is 11323222121219. The next prime is 11323222121251. The reversal of 11323222121231 is 13212122232311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11323222121231 - 2¹⁰ = 11323222120207 is a prime.

It is a super-2 number, since 2×11323222121231² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11323222121231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11323222121251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661611060615 + 5661611060616.

It is an arithmetic number, because the mean of its divisors is an integer number (5661611060616).

Almost surely, 2^{11323222121231} is an apocalyptic number.

11323222121231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11323222121231 is an equidigital number, since it uses as much as digits as its factorization.

11323222121231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 26.

Adding to 11323222121231 its reverse (13212122232311), we get a palindrome (24535344353542).

The spelling of 11323222121231 in words is "eleven trillion, three hundred twenty-three billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred thirty-one".