2111242195 has 12 divisors (see below), whose sum is σ = 2623870080. Its totient is φ = 1630749344.

The previous prime is 2111242193. The next prime is 2111242207. The reversal of 2111242195 is 5912421112.

It is not a de Polignac number, because 2111242195 - 2¹ = 2111242193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2111242193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 246835 + ... + 255244.

It is an arithmetic number, because the mean of its divisors is an integer number (218655840).

Almost surely, 2^2111242195 is an apocalyptic number.

2111242195 is a deficient number, since it is larger than the sum of its proper divisors (512627885).

2111242195 is an equidigital number, since it uses as much as digits as its factorization.

2111242195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502142 (or 502113 counting only the distinct ones).

The product of its digits is 1440, while the sum is 28.

The square root of 2111242195 is about 45948.2556252139. The cubic root of 2111242195 is about 1282.8602612705.

The spelling of 2111242195 in words is "two billion, one hundred eleven million, two hundred forty-two thousand, one hundred ninety-five".