922221011201081 has 2 divisors, whose sum is σ = 922221011201082. Its totient is φ = 922221011201080.

The previous prime is 922221011201059. The next prime is 922221011201093. The reversal of 922221011201081 is 180102110122229.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 603861030605056 + 318359980596025 = 24573584^2 + 17842645^2 .

It is a cyclic number.

It is not a de Polignac number, because 922221011201081 - 2⁴² = 917822964689977 is a prime.

It is a super-2 number, since 2×922221011201081² (a number of 31 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (922221011201011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461110505600540 + 461110505600541.

It is an arithmetic number, because the mean of its divisors is an integer number (461110505600541).

Almost surely, 2^{922221011201081} is an apocalyptic number.

It is an amenable number.

922221011201081 is a deficient number, since it is larger than the sum of its proper divisors (1).

922221011201081 is an equidigital number, since it uses as much as digits as its factorization.

922221011201081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 32.

The spelling of 922221011201081 in words is "nine hundred twenty-two trillion, two hundred twenty-one billion, eleven million, two hundred one thousand, eighty-one".