121109496713 has 2 divisors, whose sum is σ = 121109496714. Its totient is φ = 121109496712.

The previous prime is 121109496701. The next prime is 121109496721. The reversal of 121109496713 is 317694901121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73947556489 + 47161940224 = 271933^2 + 217168^2 .

It is a cyclic number.

It is not a de Polignac number, because 121109496713 - 2⁶ = 121109496649 is a prime.

It is not a weakly prime, because it can be changed into another prime (121109496763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60554748356 + 60554748357.

It is an arithmetic number, because the mean of its divisors is an integer number (60554748357).

Almost surely, 2^121109496713 is an apocalyptic number.

It is an amenable number.

121109496713 is a deficient number, since it is larger than the sum of its proper divisors (1).

121109496713 is an equidigital number, since it uses as much as digits as its factorization.

121109496713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 44.

The spelling of 121109496713 in words is "one hundred twenty-one billion, one hundred nine million, four hundred ninety-six thousand, seven hundred thirteen".