121204941023 has 2 divisors, whose sum is σ = 121204941024. Its totient is φ = 121204941022.

The previous prime is 121204941019. The next prime is 121204941049. The reversal of 121204941023 is 320149402121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121204941023 - 2² = 121204941019 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121204943023) 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, 60602470511 + 60602470512.

It is an arithmetic number, because the mean of its divisors is an integer number (60602470512).

Almost surely, 2^121204941023 is an apocalyptic number.

121204941023 is a deficient number, since it is larger than the sum of its proper divisors (1).

121204941023 is an equidigital number, since it uses as much as digits as its factorization.

121204941023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 121204941023 in words is "one hundred twenty-one billion, two hundred four million, nine hundred forty-one thousand, twenty-three".