121221022000999 has 8 divisors (see below), whose sum is σ = 121502502373392. Its totient is φ = 120939548653440.

The previous prime is 121221022000951. The next prime is 121221022001021. The reversal of 121221022000999 is 999000220122121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121221022000999 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 (121221022000909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33622377 + ... + 37052749.

It is an arithmetic number, because the mean of its divisors is an integer number (15187812796674).

Almost surely, 2^{121221022000999} is an apocalyptic number.

121221022000999 is a deficient number, since it is larger than the sum of its proper divisors (281480372393).

121221022000999 is an equidigital number, since it uses as much as digits as its factorization.

121221022000999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3512417.

The product of its (nonzero) digits is 23328, while the sum is 40.

The spelling of 121221022000999 in words is "one hundred twenty-one trillion, two hundred twenty-one billion, twenty-two million, nine hundred ninety-nine", and thus it is an aban number.