2120122199 has 4 divisors (see below), whose sum is σ = 2283208536. Its totient is φ = 1957035864.

The previous prime is 2120122189. The next prime is 2120122211. The reversal of 2120122199 is 9912210212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2120122199 - 2⁴ = 2120122183 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 (2120122189) 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 3 ways as a sum of consecutive naturals, for example, 81543149 + ... + 81543174.

It is an arithmetic number, because the mean of its divisors is an integer number (570802134).

Almost surely, 2^2120122199 is an apocalyptic number.

2120122199 is a deficient number, since it is larger than the sum of its proper divisors (163086337).

2120122199 is a wasteful number, since it uses less digits than its factorization.

2120122199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163086336.

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

The square root of 2120122199 is about 46044.7847101059. The cubic root of 2120122199 is about 1284.6563397389.

The spelling of 2120122199 in words is "two billion, one hundred twenty million, one hundred twenty-two thousand, one hundred ninety-nine".