2112240139 has 2 divisors, whose sum is σ = 2112240140. Its totient is φ = 2112240138.

The previous prime is 2112240101. The next prime is 2112240161. The reversal of 2112240139 is 9310422112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2112240139 - 2²¹ = 2110142987 is a prime.

It is not a weakly prime, because it can be changed into another prime (2112240239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056120069 + 1056120070.

It is an arithmetic number, because the mean of its divisors is an integer number (1056120070).

Almost surely, 2^2112240139 is an apocalyptic number.

2112240139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112240139 is an equidigital number, since it uses as much as digits as its factorization.

2112240139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 2112240139 is about 45959.1137751807. The cubic root of 2112240139 is about 1283.0623573074.

The spelling of 2112240139 in words is "two billion, one hundred twelve million, two hundred forty thousand, one hundred thirty-nine".