122163452763221 has 2 divisors, whose sum is σ = 122163452763222. Its totient is φ = 122163452763220.

The previous prime is 122163452763193. The next prime is 122163452763251. The reversal of 122163452763221 is 122367254361221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71867768880196 + 50295683883025 = 8477486^2 + 7091945^2 .

It is a cyclic number.

It is not a de Polignac number, because 122163452763221 - 2¹⁴ = 122163452746837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122163452763251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61081726381610 + 61081726381611.

It is an arithmetic number, because the mean of its divisors is an integer number (61081726381611).

Almost surely, 2^{122163452763221} is an apocalyptic number.

It is an amenable number.

122163452763221 is a deficient number, since it is larger than the sum of its proper divisors (1).

122163452763221 is an equidigital number, since it uses as much as digits as its factorization.

122163452763221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 47.

The spelling of 122163452763221 in words is "one hundred twenty-two trillion, one hundred sixty-three billion, four hundred fifty-two million, seven hundred sixty-three thousand, two hundred twenty-one".