22221112020137 has 2 divisors, whose sum is σ = 22221112020138. Its totient is φ = 22221112020136.

The previous prime is 22221112020101. The next prime is 22221112020179. The reversal of 22221112020137 is 73102021112222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20398763217001 + 1822348803136 = 4516499^2 + 1349944^2 .

It is a cyclic number.

It is not a de Polignac number, because 22221112020137 - 2²⁰ = 22221110971561 is a prime.

It is a super-2 number, since 2×22221112020137² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22221112040137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110556010068 + 11110556010069.

It is an arithmetic number, because the mean of its divisors is an integer number (11110556010069).

Almost surely, 2^{22221112020137} is an apocalyptic number.

It is an amenable number.

22221112020137 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221112020137 is an equidigital number, since it uses as much as digits as its factorization.

22221112020137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 22221112020137 its reverse (73102021112222), we get a palindrome (95323133132359).

The spelling of 22221112020137 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred twelve million, twenty thousand, one hundred thirty-seven".