211222100000239 has 2 divisors, whose sum is σ = 211222100000240. Its totient is φ = 211222100000238.

The previous prime is 211222100000237. The next prime is 211222100000257. The reversal of 211222100000239 is 932000001222112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211222100000239 - 2¹ = 211222100000237 is a prime.

It is a super-2 number, since 2×211222100000239² (a number of 29 digits) contains 22 as substring.

Together with 211222100000237, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211222100000237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105611050000119 + 105611050000120.

It is an arithmetic number, because the mean of its divisors is an integer number (105611050000120).

Almost surely, 2^{211222100000239} is an apocalyptic number.

211222100000239 is a deficient number, since it is larger than the sum of its proper divisors (1).

211222100000239 is an equidigital number, since it uses as much as digits as its factorization.

211222100000239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 211222100000239 in words is "two hundred eleven trillion, two hundred twenty-two billion, one hundred million, two hundred thirty-nine", and thus it is an aban number.