22101423161 has 2 divisors, whose sum is σ = 22101423162. Its totient is φ = 22101423160.

The previous prime is 22101423137. The next prime is 22101423233. The reversal of 22101423161 is 16132410122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21886243600 + 215179561 = 147940^2 + 14669^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22101423161 is a prime.

It is not a weakly prime, because it can be changed into another prime (22101423761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050711580 + 11050711581.

It is an arithmetic number, because the mean of its divisors is an integer number (11050711581).

Almost surely, 2^22101423161 is an apocalyptic number.

It is an amenable number.

22101423161 is a deficient number, since it is larger than the sum of its proper divisors (1).

22101423161 is an equidigital number, since it uses as much as digits as its factorization.

22101423161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 22101423161 its reverse (16132410122), we get a palindrome (38233833283).

The spelling of 22101423161 in words is "twenty-two billion, one hundred one million, four hundred twenty-three thousand, one hundred sixty-one".