122101210121999 has 8 divisors (see below), whose sum is σ = 129249075671760. Its totient is φ = 115149176505216.

The previous prime is 122101210121977. The next prime is 122101210122007. The reversal of 122101210121999 is 999121012101221.

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 122101210121999 - 2²⁴ = 122101193344783 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 (122101210121399) 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, 48957981962 + ... + 48957984455.

It is an arithmetic number, because the mean of its divisors is an integer number (16156134458970).

Almost surely, 2^{122101210121999} is an apocalyptic number.

122101210121999 is a deficient number, since it is larger than the sum of its proper divisors (7147865549761).

122101210121999 is an equidigital number, since it uses as much as digits as its factorization.

122101210121999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97915966489.

The product of its (nonzero) digits is 11664, while the sum is 41.

The spelling of 122101210121999 in words is "one hundred twenty-two trillion, one hundred one billion, two hundred ten million, one hundred twenty-one thousand, nine hundred ninety-nine".