2101222199 has 2 divisors, whose sum is σ = 2101222200. Its totient is φ = 2101222198.

The previous prime is 2101222187. The next prime is 2101222261. The reversal of 2101222199 is 9912221012.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101222199 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101222169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050611099 + 1050611100.

It is an arithmetic number, because the mean of its divisors is an integer number (1050611100).

Almost surely, 2^2101222199 is an apocalyptic number.

2101222199 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101222199 is an equidigital number, since it uses as much as digits as its factorization.

2101222199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 2101222199 is about 45839.0902942020. The cubic root of 2101222199 is about 1280.8275489620.

The spelling of 2101222199 in words is "two billion, one hundred one million, two hundred twenty-two thousand, one hundred ninety-nine".