22502111252113 has 2 divisors, whose sum is σ = 22502111252114. Its totient is φ = 22502111252112.

The previous prime is 22502111252063. The next prime is 22502111252141. The reversal of 22502111252113 is 31125211120522.

It is an a-pointer prime, because the next prime (22502111252141) can be obtained adding 22502111252113 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18740656586304 + 3761454665809 = 4329048^2 + 1939447^2 .

It is a cyclic number.

It is not a de Polignac number, because 22502111252113 - 2²⁹ = 22501574381201 is a prime.

It is not a weakly prime, because it can be changed into another prime (22502111258113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11251055626056 + 11251055626057.

It is an arithmetic number, because the mean of its divisors is an integer number (11251055626057).

Almost surely, 2^{22502111252113} is an apocalyptic number.

It is an amenable number.

22502111252113 is a deficient number, since it is larger than the sum of its proper divisors (1).

22502111252113 is an equidigital number, since it uses as much as digits as its factorization.

22502111252113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 22502111252113 its reverse (31125211120522), we get a palindrome (53627322372635).

The spelling of 22502111252113 in words is "twenty-two trillion, five hundred two billion, one hundred eleven million, two hundred fifty-two thousand, one hundred thirteen".