22212021000137 has 2 divisors, whose sum is σ = 22212021000138. Its totient is φ = 22212021000136.

The previous prime is 22212021000089. The next prime is 22212021000161. The reversal of 22212021000137 is 73100012021222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17480334540601 + 4731686459536 = 4180949^2 + 2175244^2 .

It is a cyclic number.

It is not a de Polignac number, because 22212021000137 - 2²⁴ = 22212004222921 is a prime.

It is not a weakly prime, because it can be changed into another prime (22212021000187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106010500068 + 11106010500069.

It is an arithmetic number, because the mean of its divisors is an integer number (11106010500069).

Almost surely, 2^{22212021000137} is an apocalyptic number.

It is an amenable number.

22212021000137 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212021000137 is an equidigital number, since it uses as much as digits as its factorization.

22212021000137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 22212021000137 its reverse (73100012021222), we get a palindrome (95312033021359).

The spelling of 22212021000137 in words is "twenty-two trillion, two hundred twelve billion, twenty-one million, one hundred thirty-seven", and thus it is an aban number.