2142111199 has 2 divisors, whose sum is σ = 2142111200. Its totient is φ = 2142111198.

The previous prime is 2142111193. The next prime is 2142111247. The reversal of 2142111199 is 9911112412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2142111199 - 2¹⁵ = 2142078431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2142111199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142111193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071055599 + 1071055600.

It is an arithmetic number, because the mean of its divisors is an integer number (1071055600).

Almost surely, 2^2142111199 is an apocalyptic number.

2142111199 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142111199 is an equidigital number, since it uses as much as digits as its factorization.

2142111199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 31.

The square root of 2142111199 is about 46282.9471727979. The cubic root of 2142111199 is about 1289.0823750767.

The spelling of 2142111199 in words is "two billion, one hundred forty-two million, one hundred eleven thousand, one hundred ninety-nine".