220122112221181 has 2 divisors, whose sum is σ = 220122112221182. Its totient is φ = 220122112221180.

The previous prime is 220122112221149. The next prime is 220122112221223. The reversal of 220122112221181 is 181122211221022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136140100432281 + 83982011788900 = 11667909^2 + 9164170^2 .

It is a cyclic number.

It is not a de Polignac number, because 220122112221181 - 2⁵ = 220122112221149 is a prime.

It is a super-2 number, since 2×220122112221181² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220122112221131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110061056110590 + 110061056110591.

It is an arithmetic number, because the mean of its divisors is an integer number (110061056110591).

Almost surely, 2^{220122112221181} is an apocalyptic number.

It is an amenable number.

220122112221181 is a deficient number, since it is larger than the sum of its proper divisors (1).

220122112221181 is an equidigital number, since it uses as much as digits as its factorization.

220122112221181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1024, while the sum is 28.

The spelling of 220122112221181 in words is "two hundred twenty trillion, one hundred twenty-two billion, one hundred twelve million, two hundred twenty-one thousand, one hundred eighty-one".