122010220101997 has 2 divisors, whose sum is σ = 122010220101998. Its totient is φ = 122010220101996.

The previous prime is 122010220101989. The next prime is 122010220102013. The reversal of 122010220101997 is 799101022010221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99451035480196 + 22559184621801 = 9972514^2 + 4749651^2 .

It is a cyclic number.

It is not a de Polignac number, because 122010220101997 - 2³ = 122010220101989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122010220101967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61005110050998 + 61005110050999.

It is an arithmetic number, because the mean of its divisors is an integer number (61005110050999).

Almost surely, 2^{122010220101997} is an apocalyptic number.

It is an amenable number.

122010220101997 is a deficient number, since it is larger than the sum of its proper divisors (1).

122010220101997 is an equidigital number, since it uses as much as digits as its factorization.

122010220101997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 37.

The spelling of 122010220101997 in words is "one hundred twenty-two trillion, ten billion, two hundred twenty million, one hundred one thousand, nine hundred ninety-seven".