2112145019 has 2 divisors, whose sum is σ = 2112145020. Its totient is φ = 2112145018.

The previous prime is 2112144997. The next prime is 2112145033. The reversal of 2112145019 is 9105412112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2112145019 - 2²⁰ = 2111096443 is a prime.

It is a super-2 number, since 2×2112145019² = 8922313162573020722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2112145099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056072509 + 1056072510.

It is an arithmetic number, because the mean of its divisors is an integer number (1056072510).

Almost surely, 2^2112145019 is an apocalyptic number.

2112145019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112145019 is an equidigital number, since it uses as much as digits as its factorization.

2112145019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 2112145019 is about 45958.0789306951. The cubic root of 2112145019 is about 1283.0430970725.

The spelling of 2112145019 in words is "two billion, one hundred twelve million, one hundred forty-five thousand, nineteen".