121104031312051 has 2 divisors, whose sum is σ = 121104031312052. Its totient is φ = 121104031312050.

The previous prime is 121104031312007. The next prime is 121104031312097. The reversal of 121104031312051 is 150213130401121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121104031312051 - 2⁹ = 121104031311539 is a prime.

It is not a weakly prime, because it can be changed into another prime (121104031312351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60552015656025 + 60552015656026.

It is an arithmetic number, because the mean of its divisors is an integer number (60552015656026).

Almost surely, 2^{121104031312051} is an apocalyptic number.

121104031312051 is a deficient number, since it is larger than the sum of its proper divisors (1).

121104031312051 is an equidigital number, since it uses as much as digits as its factorization.

121104031312051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 121104031312051 its reverse (150213130401121), we get a palindrome (271317161713172).

The spelling of 121104031312051 in words is "one hundred twenty-one trillion, one hundred four billion, thirty-one million, three hundred twelve thousand, fifty-one".