220012210201181 has 2 divisors, whose sum is σ = 220012210201182. Its totient is φ = 220012210201180.

The previous prime is 220012210200941. The next prime is 220012210201183. The reversal of 220012210201181 is 181102012210022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220009256278681 + 2953922500 = 14832709^2 + 54350^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220012210201181 is a prime.

It is a super-2 number, since 2×220012210201181² (a number of 29 digits) contains 22 as substring.

Together with 220012210201183, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220012210201183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110006105100590 + 110006105100591.

It is an arithmetic number, because the mean of its divisors is an integer number (110006105100591).

Almost surely, 2^{220012210201181} is an apocalyptic number.

It is an amenable number.

220012210201181 is a deficient number, since it is larger than the sum of its proper divisors (1).

220012210201181 is an equidigital number, since it uses as much as digits as its factorization.

220012210201181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 23.

The spelling of 220012210201181 in words is "two hundred twenty trillion, twelve billion, two hundred ten million, two hundred one thousand, one hundred eighty-one".