10002120099 has 8 divisors (see below), whose sum is σ = 13370444880. Its totient is φ = 6650937696.

The previous prime is 10002120083. The next prime is 10002120113. The reversal of 10002120099 is 99002120001.

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

It is not a de Polignac number, because 10002120099 - 2⁴ = 10002120083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10002120599) 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, 4284232 + ... + 4286565.

It is an arithmetic number, because the mean of its divisors is an integer number (1671305610).

Almost surely, 2^10002120099 is an apocalyptic number.

10002120099 is a deficient number, since it is larger than the sum of its proper divisors (3368324781).

10002120099 is an equidigital number, since it uses as much as digits as its factorization.

10002120099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8571189.

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

The spelling of 10002120099 in words is "ten billion, two million, one hundred twenty thousand, ninety-nine".