121022112011197 has 2 divisors, whose sum is σ = 121022112011198. Its totient is φ = 121022112011196.

The previous prime is 121022112011191. The next prime is 121022112011231. The reversal of 121022112011197 is 791110211220121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84326552336601 + 36695559674596 = 9182949^2 + 6057686^2 .

It is a cyclic number.

It is not a de Polignac number, because 121022112011197 - 2³ = 121022112011189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121022112011191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60511056005598 + 60511056005599.

It is an arithmetic number, because the mean of its divisors is an integer number (60511056005599).

Almost surely, 2^{121022112011197} is an apocalyptic number.

It is an amenable number.

121022112011197 is a deficient number, since it is larger than the sum of its proper divisors (1).

121022112011197 is an equidigital number, since it uses as much as digits as its factorization.

121022112011197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 31.

The spelling of 121022112011197 in words is "one hundred twenty-one trillion, twenty-two billion, one hundred twelve million, eleven thousand, one hundred ninety-seven".