22112021220137 has 2 divisors, whose sum is σ = 22112021220138. Its totient is φ = 22112021220136.

The previous prime is 22112021220049. The next prime is 22112021220151. The reversal of 22112021220137 is 73102212021122.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18792060270361 + 3319960949776 = 4334981^2 + 1822076^2 .

It is a cyclic number.

It is not a de Polignac number, because 22112021220137 - 2⁸ = 22112021219881 is a prime.

It is a super-3 number, since 3×22112021220137³ (a number of 41 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (22112021220167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056010610068 + 11056010610069.

It is an arithmetic number, because the mean of its divisors is an integer number (11056010610069).

Almost surely, 2^{22112021220137} is an apocalyptic number.

It is an amenable number.

22112021220137 is a deficient number, since it is larger than the sum of its proper divisors (1).

22112021220137 is an equidigital number, since it uses as much as digits as its factorization.

22112021220137 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 22112021220137 its reverse (73102212021122), we get a palindrome (95214233241259).

The spelling of 22112021220137 in words is "twenty-two trillion, one hundred twelve billion, twenty-one million, two hundred twenty thousand, one hundred thirty-seven".