121322313020099 has 4 divisors (see below), whose sum is σ = 121322762733480. Its totient is φ = 121321863306720.

The previous prime is 121322313020087. The next prime is 121322313020179. The reversal of 121322313020099 is 990020313223121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121322313020099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121322313020059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224451782 + ... + 224991659.

It is an arithmetic number, because the mean of its divisors is an integer number (30330690683370).

Almost surely, 2^{121322313020099} is an apocalyptic number.

121322313020099 is a deficient number, since it is larger than the sum of its proper divisors (449713381).

121322313020099 is an equidigital number, since it uses as much as digits as its factorization.

121322313020099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449713380.

The product of its (nonzero) digits is 34992, while the sum is 38.

The spelling of 121322313020099 in words is "one hundred twenty-one trillion, three hundred twenty-two billion, three hundred thirteen million, twenty thousand, ninety-nine".