22010100899161 has 2 divisors, whose sum is σ = 22010100899162. Its totient is φ = 22010100899160.

The previous prime is 22010100899159. The next prime is 22010100899179. The reversal of 22010100899161 is 16199800101022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21039789217225 + 970311681936 = 4586915^2 + 985044^2 .

It is a cyclic number.

It is not a de Polignac number, because 22010100899161 - 2¹ = 22010100899159 is a prime.

Together with 22010100899159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22010100899131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005050449580 + 11005050449581.

It is an arithmetic number, because the mean of its divisors is an integer number (11005050449581).

Almost surely, 2^{22010100899161} is an apocalyptic number.

It is an amenable number.

22010100899161 is a deficient number, since it is larger than the sum of its proper divisors (1).

22010100899161 is an equidigital number, since it uses as much as digits as its factorization.

22010100899161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 40.

The spelling of 22010100899161 in words is "twenty-two trillion, ten billion, one hundred million, eight hundred ninety-nine thousand, one hundred sixty-one".