220101000999 has 16 divisors (see below), whose sum is σ = 321278185344. Its totient is φ = 132923181600.

The previous prime is 220101000983. The next prime is 220101001027. The reversal of 220101000999 is 999000101022.

It is not a de Polignac number, because 220101000999 - 2⁴ = 220101000983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220101000979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11774632 + ... + 11793309.

It is an arithmetic number, because the mean of its divisors is an integer number (20079886584).

Almost surely, 2^220101000999 is an apocalyptic number.

220101000999 is a deficient number, since it is larger than the sum of its proper divisors (101177184345).

220101000999 is a wasteful number, since it uses less digits than its factorization.

220101000999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23568238.

The product of its (nonzero) digits is 2916, while the sum is 33.

The spelling of 220101000999 in words is "two hundred twenty billion, one hundred one million, nine hundred ninety-nine", and thus it is an aban number.