121002112193 has 2 divisors, whose sum is σ = 121002112194. Its totient is φ = 121002112192.

The previous prime is 121002112139. The next prime is 121002112211. The reversal of 121002112193 is 391211200121.

Together with previous prime (121002112139) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80640096784 + 40362015409 = 283972^2 + 200903^2 .

It is a cyclic number.

It is not a de Polignac number, because 121002112193 - 2⁶ = 121002112129 is a prime.

It is a super-2 number, since 2×121002112193² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121002112793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60501056096 + 60501056097.

It is an arithmetic number, because the mean of its divisors is an integer number (60501056097).

Almost surely, 2^121002112193 is an apocalyptic number.

It is an amenable number.

121002112193 is a deficient number, since it is larger than the sum of its proper divisors (1).

121002112193 is an equidigital number, since it uses as much as digits as its factorization.

121002112193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 121002112193 in words is "one hundred twenty-one billion, two million, one hundred twelve thousand, one hundred ninety-three".