121043422999 has 8 divisors (see below), whose sum is σ = 121358215440. Its totient is φ = 120729040896.

The previous prime is 121043422979. The next prime is 121043423041. The reversal of 121043422999 is 999224340121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121043422999 - 2²³ = 121035034391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121043422979) 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 in 7 ways as a sum of consecutive naturals, for example, 492624 + ... + 696250.

It is an arithmetic number, because the mean of its divisors is an integer number (15169776930).

Almost surely, 2^121043422999 is an apocalyptic number.

121043422999 is a deficient number, since it is larger than the sum of its proper divisors (314792441).

121043422999 is an equidigital number, since it uses as much as digits as its factorization.

121043422999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205169.

The product of its (nonzero) digits is 279936, while the sum is 46.

The spelling of 121043422999 in words is "one hundred twenty-one billion, forty-three million, four hundred twenty-two thousand, nine hundred ninety-nine".