220022200120081 has 2 divisors, whose sum is σ = 220022200120082. Its totient is φ = 220022200120080.

The previous prime is 220022200120049. The next prime is 220022200120169. The reversal of 220022200120081 is 180021002220022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187673121979456 + 32349078140625 = 13699384^2 + 5687625^2 .

It is a cyclic number.

It is not a de Polignac number, because 220022200120081 - 2⁵ = 220022200120049 is a prime.

It is a super-2 number, since 2×220022200120081² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (220022200120001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110011100060040 + 110011100060041.

It is an arithmetic number, because the mean of its divisors is an integer number (110011100060041).

Almost surely, 2^{220022200120081} is an apocalyptic number.

It is an amenable number.

220022200120081 is a deficient number, since it is larger than the sum of its proper divisors (1).

220022200120081 is an equidigital number, since it uses as much as digits as its factorization.

220022200120081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512, while the sum is 22.

The spelling of 220022200120081 in words is "two hundred twenty trillion, twenty-two billion, two hundred million, one hundred twenty thousand, eighty-one".