121452200291 has 2 divisors, whose sum is σ = 121452200292. Its totient is φ = 121452200290.

The previous prime is 121452200279. The next prime is 121452200299. The reversal of 121452200291 is 192002254121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121452200291 - 2¹⁸ = 121451938147 is a prime.

It is not a weakly prime, because it can be changed into another prime (121452200299) 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, 60726100145 + 60726100146.

It is an arithmetic number, because the mean of its divisors is an integer number (60726100146).

Almost surely, 2^121452200291 is an apocalyptic number.

121452200291 is a deficient number, since it is larger than the sum of its proper divisors (1).

121452200291 is an equidigital number, since it uses as much as digits as its factorization.

121452200291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 29.

The spelling of 121452200291 in words is "one hundred twenty-one billion, four hundred fifty-two million, two hundred thousand, two hundred ninety-one".