22022021110081 has 2 divisors, whose sum is σ = 22022021110082. Its totient is φ = 22022021110080.

The previous prime is 22022021110079. The next prime is 22022021110087. The reversal of 22022021110081 is 18001112022022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21621384014400 + 400637095681 = 4649880^2 + 632959^2 .

It is a cyclic number.

It is not a de Polignac number, because 22022021110081 - 2¹ = 22022021110079 is a prime.

It is a super-2 number, since 2×22022021110081² (a number of 27 digits) contains 22 as substring.

Together with 22022021110079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22022021110087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011010555040 + 11011010555041.

It is an arithmetic number, because the mean of its divisors is an integer number (11011010555041).

Almost surely, 2^{22022021110081} is an apocalyptic number.

It is an amenable number.

22022021110081 is a deficient number, since it is larger than the sum of its proper divisors (1).

22022021110081 is an equidigital number, since it uses as much as digits as its factorization.

22022021110081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 22.

The spelling of 22022021110081 in words is "twenty-two trillion, twenty-two billion, twenty-one million, one hundred ten thousand, eighty-one".