211222220019907 has 2 divisors, whose sum is σ = 211222220019908. Its totient is φ = 211222220019906.

The previous prime is 211222220019829. The next prime is 211222220019983. The reversal of 211222220019907 is 709910022222112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211222220019907 - 2²⁷ = 211222085802179 is a prime.

It is a super-2 number, since 2×211222220019907² (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 211222220019907.

It is not a weakly prime, because it can be changed into another prime (211222220019607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105611110009953 + 105611110009954.

It is an arithmetic number, because the mean of its divisors is an integer number (105611110009954).

Almost surely, 2^{211222220019907} is an apocalyptic number.

211222220019907 is a deficient number, since it is larger than the sum of its proper divisors (1).

211222220019907 is an equidigital number, since it uses as much as digits as its factorization.

211222220019907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 40.

The spelling of 211222220019907 in words is "two hundred eleven trillion, two hundred twenty-two billion, two hundred twenty million, nineteen thousand, nine hundred seven".