2001102099 has 4 divisors (see below), whose sum is σ = 2668136136. Its totient is φ = 1334068064.

The previous prime is 2001102083. The next prime is 2001102101. The reversal of 2001102099 is 9902011002.

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 2001102099 - 2⁴ = 2001102083 is a prime.

It is a super-2 number, since 2×2001102099² = 8008819221244411602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2001102599) 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, 333517014 + ... + 333517019.

It is an arithmetic number, because the mean of its divisors is an integer number (667034034).

Almost surely, 2^2001102099 is an apocalyptic number.

2001102099 is a deficient number, since it is larger than the sum of its proper divisors (667034037).

2001102099 is an equidigital number, since it uses as much as digits as its factorization.

2001102099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667034036.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 2001102099 is about 44733.6796943869. The cubic root of 2001102099 is about 1260.1524336870.

The spelling of 2001102099 in words is "two billion, one million, one hundred two thousand, ninety-nine".