121010310330197 has 2 divisors, whose sum is σ = 121010310330198. Its totient is φ = 121010310330196.

The previous prime is 121010310330103. The next prime is 121010310330209. The reversal of 121010310330197 is 791033013010121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111948440363761 + 9061869966436 = 10580569^2 + 3010294^2 .

It is a cyclic number.

It is not a de Polignac number, because 121010310330197 - 2²⁶ = 121010243221333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121010310330797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60505155165098 + 60505155165099.

It is an arithmetic number, because the mean of its divisors is an integer number (60505155165099).

Almost surely, 2^{121010310330197} is an apocalyptic number.

It is an amenable number.

121010310330197 is a deficient number, since it is larger than the sum of its proper divisors (1).

121010310330197 is an equidigital number, since it uses as much as digits as its factorization.

121010310330197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 32.

The spelling of 121010310330197 in words is "one hundred twenty-one trillion, ten billion, three hundred ten million, three hundred thirty thousand, one hundred ninety-seven".