23112210221311 has 2 divisors, whose sum is σ = 23112210221312. Its totient is φ = 23112210221310.

The previous prime is 23112210221231. The next prime is 23112210221327. The reversal of 23112210221311 is 11312201221132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23112210221311 is a prime.

It is a super-2 number, since 2×23112210221311² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23112210221911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11556105110655 + 11556105110656.

It is an arithmetic number, because the mean of its divisors is an integer number (11556105110656).

Almost surely, 2^{23112210221311} is an apocalyptic number.

23112210221311 is a deficient number, since it is larger than the sum of its proper divisors (1).

23112210221311 is an equidigital number, since it uses as much as digits as its factorization.

23112210221311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 23112210221311 its reverse (11312201221132), we get a palindrome (34424411442443).

The spelling of 23112210221311 in words is "twenty-three trillion, one hundred twelve billion, two hundred ten million, two hundred twenty-one thousand, three hundred eleven".