122010221022181 has 2 divisors, whose sum is σ = 122010221022182. Its totient is φ = 122010221022180.

The previous prime is 122010221022169. The next prime is 122010221022197. The reversal of 122010221022181 is 181220122010221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117932345631556 + 4077875390625 = 10859666^2 + 2019375^2 .

It is a cyclic number.

It is not a de Polignac number, because 122010221022181 - 2⁵ = 122010221022149 is a prime.

It is a super-2 number, since 2×122010221022181² (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 (122010221029181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61005110511090 + 61005110511091.

It is an arithmetic number, because the mean of its divisors is an integer number (61005110511091).

Almost surely, 2^{122010221022181} is an apocalyptic number.

It is an amenable number.

122010221022181 is a deficient number, since it is larger than the sum of its proper divisors (1).

122010221022181 is an equidigital number, since it uses as much as digits as its factorization.

122010221022181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 25.

The spelling of 122010221022181 in words is "one hundred twenty-two trillion, ten billion, two hundred twenty-one million, twenty-two thousand, one hundred eighty-one".