211222101019 has 2 divisors, whose sum is σ = 211222101020. Its totient is φ = 211222101018.

The previous prime is 211222100993. The next prime is 211222101043. The reversal of 211222101019 is 910101222112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211222101019 - 2¹⁵ = 211222068251 is a prime.

It is a super-4 number, since 4×211222101019⁴ (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (211222101059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105611050509 + 105611050510.

It is an arithmetic number, because the mean of its divisors is an integer number (105611050510).

Almost surely, 2^211222101019 is an apocalyptic number.

211222101019 is a deficient number, since it is larger than the sum of its proper divisors (1).

211222101019 is an equidigital number, since it uses as much as digits as its factorization.

211222101019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 211222101019 in words is "two hundred eleven billion, two hundred twenty-two million, one hundred one thousand, nineteen".