2001323022099 has 4 divisors (see below), whose sum is σ = 2668430696136. Its totient is φ = 1334215348064.

The previous prime is 2001323022091. The next prime is 2001323022137. The reversal of 2001323022099 is 9902203231002.

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

It is a cyclic number.

It is not a de Polignac number, because 2001323022099 - 2³ = 2001323022091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2001323022091) 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, 333553837014 + ... + 333553837019.

It is an arithmetic number, because the mean of its divisors is an integer number (667107674034).

Almost surely, 2^{2001323022099} is an apocalyptic number.

2001323022099 is a deficient number, since it is larger than the sum of its proper divisors (667107674037).

2001323022099 is an equidigital number, since it uses as much as digits as its factorization.

2001323022099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667107674036.

The product of its (nonzero) digits is 11664, while the sum is 33.

The spelling of 2001323022099 in words is "two trillion, one billion, three hundred twenty-three million, twenty-two thousand, ninety-nine".