2112102019 has 2 divisors, whose sum is σ = 2112102020. Its totient is φ = 2112102018.

The previous prime is 2112101923. The next prime is 2112102059. The reversal of 2112102019 is 9102012112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2112102019 - 2¹⁷ = 2111970947 is a prime.

It is a super-2 number, since 2×2112102019² = 8921949877327752722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112101987 and 2112102005.

It is not a weakly prime, because it can be changed into another prime (2112102059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056051009 + 1056051010.

It is an arithmetic number, because the mean of its divisors is an integer number (1056051010).

Almost surely, 2^2112102019 is an apocalyptic number.

2112102019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112102019 is an equidigital number, since it uses as much as digits as its factorization.

2112102019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 2112102019 is about 45957.6111106746. The cubic root of 2112102019 is about 1283.0343900903.

The spelling of 2112102019 in words is "two billion, one hundred twelve million, one hundred two thousand, nineteen".