2101022099 has 16 divisors (see below), whose sum is σ = 2333996640. Its totient is φ = 1890988000.

The previous prime is 2101022083. The next prime is 2101022111. The reversal of 2101022099 is 9902201012.

It is a happy number.

It is not a de Polignac number, because 2101022099 - 2⁴ = 2101022083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101022029) 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, 126617 + ... + 142245.

It is an arithmetic number, because the mean of its divisors is an integer number (145874790).

Almost surely, 2^2101022099 is an apocalyptic number.

2101022099 is a deficient number, since it is larger than the sum of its proper divisors (232974541).

2101022099 is a wasteful number, since it uses less digits than its factorization.

2101022099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15763 (or 15741 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 2101022099 is about 45836.9076072983. The cubic root of 2101022099 is about 1280.7868898116.

The spelling of 2101022099 in words is "two billion, one hundred one million, twenty-two thousand, ninety-nine".