2099121822 has 48 divisors (see below), whose sum is σ = 5202693600. Its totient is φ = 599187456.

The previous prime is 2099121811. The next prime is 2099121839. The reversal of 2099121822 is 2281219902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138054 + ... + 152502.

It is an arithmetic number, because the mean of its divisors is an integer number (108389450).

Almost surely, 2^2099121822 is an apocalyptic number.

2099121822 is an abundant number, since it is smaller than the sum of its proper divisors (3103571778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2099121822 is a wasteful number, since it uses less digits than its factorization.

2099121822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15617 (or 15614 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 2099121822 is about 45816.1742401087. The cubic root of 2099121822 is about 1280.4006359010.

The spelling of 2099121822 in words is "two billion, ninety-nine million, one hundred twenty-one thousand, eight hundred twenty-two".