22100200201081 has 2 divisors, whose sum is σ = 22100200201082. Its totient is φ = 22100200201080.

The previous prime is 22100200201067. The next prime is 22100200201169. The reversal of 22100200201081 is 18010200200122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16131340435456 + 5968859765625 = 4016384^2 + 2443125^2 .

It is a cyclic number.

It is not a de Polignac number, because 22100200201081 - 2⁵ = 22100200201049 is a prime.

It is a super-2 number, since 2×22100200201081² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22100200201181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050100100540 + 11050100100541.

It is an arithmetic number, because the mean of its divisors is an integer number (11050100100541).

Almost surely, 2^{22100200201081} is an apocalyptic number.

It is an amenable number.

22100200201081 is a deficient number, since it is larger than the sum of its proper divisors (1).

22100200201081 is an equidigital number, since it uses as much as digits as its factorization.

22100200201081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 19.

The spelling of 22100200201081 in words is "twenty-two trillion, one hundred billion, two hundred million, two hundred one thousand, eighty-one".