211012102019 has 2 divisors, whose sum is σ = 211012102020. Its totient is φ = 211012102018.

The previous prime is 211012102003. The next prime is 211012102043. The reversal of 211012102019 is 910201210112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211012102019 - 2⁴ = 211012102003 is a prime.

It is a super-2 number, since 2×211012102019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211012102099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105506051009 + 105506051010.

It is an arithmetic number, because the mean of its divisors is an integer number (105506051010).

Almost surely, 2^211012102019 is an apocalyptic number.

211012102019 is a deficient number, since it is larger than the sum of its proper divisors (1).

211012102019 is an equidigital number, since it uses as much as digits as its factorization.

211012102019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 211012102019 in words is "two hundred eleven billion, twelve million, one hundred two thousand, nineteen".