121202112193 has 2 divisors, whose sum is σ = 121202112194. Its totient is φ = 121202112192.

The previous prime is 121202112137. The next prime is 121202112209. The reversal of 121202112193 is 391211202121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116644107024 + 4558005169 = 341532^2 + 67513^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121202112193 is a prime.

It is not a weakly prime, because it can be changed into another prime (121202112793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60601056096 + 60601056097.

It is an arithmetic number, because the mean of its divisors is an integer number (60601056097).

Almost surely, 2^121202112193 is an apocalyptic number.

It is an amenable number.

121202112193 is a deficient number, since it is larger than the sum of its proper divisors (1).

121202112193 is an equidigital number, since it uses as much as digits as its factorization.

121202112193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 121202112193 in words is "one hundred twenty-one billion, two hundred two million, one hundred twelve thousand, one hundred ninety-three".