121052049056899 has 2 divisors, whose sum is σ = 121052049056900. Its totient is φ = 121052049056898.

The previous prime is 121052049056831. The next prime is 121052049056929. The reversal of 121052049056899 is 998650940250121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121052049056899 - 2³⁹ = 120502293243011 is a prime.

It is not a weakly prime, because it can be changed into another prime (121052049056999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60526024528449 + 60526024528450.

It is an arithmetic number, because the mean of its divisors is an integer number (60526024528450).

Almost surely, 2^{121052049056899} is an apocalyptic number.

121052049056899 is a deficient number, since it is larger than the sum of its proper divisors (1).

121052049056899 is an equidigital number, since it uses as much as digits as its factorization.

121052049056899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13996800, while the sum is 61.

The spelling of 121052049056899 in words is "one hundred twenty-one trillion, fifty-two billion, forty-nine million, fifty-six thousand, eight hundred ninety-nine".