121104244199 has 2 divisors, whose sum is σ = 121104244200. Its totient is φ = 121104244198.

The previous prime is 121104244187. The next prime is 121104244253. The reversal of 121104244199 is 991442401121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121104244199 - 2²⁰ = 121103195623 is a prime.

It is a super-2 number, since 2×121104244199² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121104244999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60552122099 + 60552122100.

It is an arithmetic number, because the mean of its divisors is an integer number (60552122100).

Almost surely, 2^121104244199 is an apocalyptic number.

121104244199 is a deficient number, since it is larger than the sum of its proper divisors (1).

121104244199 is an equidigital number, since it uses as much as digits as its factorization.

121104244199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 38.

The spelling of 121104244199 in words is "one hundred twenty-one billion, one hundred four million, two hundred forty-four thousand, one hundred ninety-nine".