22011001999 has 16 divisors (see below), whose sum is σ = 25218519040. Its totient is φ = 18819319680.

The previous prime is 22011001973. The next prime is 22011002009. The reversal of 22011001999 is 99910011022.

It is not a de Polignac number, because 22011001999 - 2⁵ = 22011001967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011001499) 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, 7768087 + ... + 7770919.

It is an arithmetic number, because the mean of its divisors is an integer number (1576157440).

Almost surely, 2^22011001999 is an apocalyptic number.

22011001999 is a deficient number, since it is larger than the sum of its proper divisors (3207517041).

22011001999 is a wasteful number, since it uses less digits than its factorization.

22011001999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5230.

The product of its (nonzero) digits is 2916, while the sum is 34.

The spelling of 22011001999 in words is "twenty-two billion, eleven million, one thousand, nine hundred ninety-nine".