2112175139 has 2 divisors, whose sum is σ = 2112175140. Its totient is φ = 2112175138.

The previous prime is 2112175127. The next prime is 2112175151. The reversal of 2112175139 is 9315712112.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (2112175127) and next prime (2112175151).

It is a cyclic number.

It is not a de Polignac number, because 2112175139 - 2¹⁶ = 2112109603 is a prime.

It is a super-2 number, since 2×2112175139² = 8922567635619338642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2112175339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056087569 + 1056087570.

It is an arithmetic number, because the mean of its divisors is an integer number (1056087570).

Almost surely, 2^2112175139 is an apocalyptic number.

2112175139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112175139 is an equidigital number, since it uses as much as digits as its factorization.

2112175139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 32.

The square root of 2112175139 is about 45958.4066194641. The cubic root of 2112175139 is about 1283.0491959395.

The spelling of 2112175139 in words is "two billion, one hundred twelve million, one hundred seventy-five thousand, one hundred thirty-nine".