211212220022239 has 2 divisors, whose sum is σ = 211212220022240. Its totient is φ = 211212220022238.

The previous prime is 211212220022179. The next prime is 211212220022249. The reversal of 211212220022239 is 932220022212112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211212220022239 - 2¹⁵ = 211212219989471 is a prime.

It is a super-2 number, since 2×211212220022239² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211212220022239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211212220022249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105606110011119 + 105606110011120.

It is an arithmetic number, because the mean of its divisors is an integer number (105606110011120).

Almost surely, 2^{211212220022239} is an apocalyptic number.

211212220022239 is a deficient number, since it is larger than the sum of its proper divisors (1).

211212220022239 is an equidigital number, since it uses as much as digits as its factorization.

211212220022239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 211212220022239 in words is "two hundred eleven trillion, two hundred twelve billion, two hundred twenty million, twenty-two thousand, two hundred thirty-nine".