999100021122003 has 16 divisors (see below), whose sum is σ = 1332260642374016. Its totient is φ = 666003042529920.

The previous prime is 999100021121957. The next prime is 999100021122017. The reversal of 999100021122003 is 300221120001999.

It is not a de Polignac number, because 999100021122003 - 2³⁰ = 999098947380179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (999100021122083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2030763000 + ... + 2031254922.

It is an arithmetic number, because the mean of its divisors is an integer number (83266290148376).

Almost surely, 2^{999100021122003} is an apocalyptic number.

999100021122003 is a deficient number, since it is larger than the sum of its proper divisors (333160621252013).

999100021122003 is a wasteful number, since it uses less digits than its factorization.

999100021122003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555234.

The product of its (nonzero) digits is 17496, while the sum is 39.

The spelling of 999100021122003 in words is "nine hundred ninety-nine trillion, one hundred billion, twenty-one million, one hundred twenty-two thousand, three".