22101330032081 has 2 divisors, whose sum is σ = 22101330032082. Its totient is φ = 22101330032080.

The previous prime is 22101330032011. The next prime is 22101330032137. The reversal of 22101330032081 is 18023003310122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17428746300625 + 4672583731456 = 4174775^2 + 2161616^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22101330032081 is a prime.

It is a super-2 number, since 2×22101330032081² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22101330032081.

It is not a weakly prime, because it can be changed into another prime (22101330032011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050665016040 + 11050665016041.

It is an arithmetic number, because the mean of its divisors is an integer number (11050665016041).

Almost surely, 2^{22101330032081} is an apocalyptic number.

It is an amenable number.

22101330032081 is a deficient number, since it is larger than the sum of its proper divisors (1).

22101330032081 is an equidigital number, since it uses as much as digits as its factorization.

22101330032081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 22101330032081 in words is "twenty-two trillion, one hundred one billion, three hundred thirty million, thirty-two thousand, eighty-one".