212211100019 has 2 divisors, whose sum is σ = 212211100020. Its totient is φ = 212211100018.

The previous prime is 212211099953. The next prime is 212211100027. The reversal of 212211100019 is 910001112212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212211100019 is a prime.

It is a super-2 number, since 2×212211100019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212211100819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106105550009 + 106105550010.

It is an arithmetic number, because the mean of its divisors is an integer number (106105550010).

Almost surely, 2^212211100019 is an apocalyptic number.

212211100019 is a deficient number, since it is larger than the sum of its proper divisors (1).

212211100019 is an equidigital number, since it uses as much as digits as its factorization.

212211100019 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 212211100019 in words is "two hundred twelve billion, two hundred eleven million, one hundred thousand, nineteen".