22131343101253 has 2 divisors, whose sum is σ = 22131343101254. Its totient is φ = 22131343101252.

The previous prime is 22131343101169. The next prime is 22131343101311. The reversal of 22131343101253 is 35210134313122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21771574664004 + 359768437249 = 4666002^2 + 599807^2 .

It is a cyclic number.

It is not a de Polignac number, because 22131343101253 - 2²⁵ = 22131309546821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22131343141253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11065671550626 + 11065671550627.

It is an arithmetic number, because the mean of its divisors is an integer number (11065671550627).

Almost surely, 2^{22131343101253} is an apocalyptic number.

It is an amenable number.

22131343101253 is a deficient number, since it is larger than the sum of its proper divisors (1).

22131343101253 is an equidigital number, since it uses as much as digits as its factorization.

22131343101253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 22131343101253 its reverse (35210134313122), we get a palindrome (57341477414375).

The spelling of 22131343101253 in words is "twenty-two trillion, one hundred thirty-one billion, three hundred forty-three million, one hundred one thousand, two hundred fifty-three".