211222002009959 has 2 divisors, whose sum is σ = 211222002009960. Its totient is φ = 211222002009958.

The previous prime is 211222002009901. The next prime is 211222002010031. The reversal of 211222002009959 is 959900200222112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211222002009959 is a prime.

It is a super-2 number, since 2×211222002009959² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211222002003959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105611001004979 + 105611001004980.

It is an arithmetic number, because the mean of its divisors is an integer number (105611001004980).

Almost surely, 2^{211222002009959} is an apocalyptic number.

211222002009959 is a deficient number, since it is larger than the sum of its proper divisors (1).

211222002009959 is an equidigital number, since it uses as much as digits as its factorization.

211222002009959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 211222002009959 in words is "two hundred eleven trillion, two hundred twenty-two billion, two million, nine thousand, nine hundred fifty-nine".