211222020120973 has 2 divisors, whose sum is σ = 211222020120974. Its totient is φ = 211222020120972.

The previous prime is 211222020120971. The next prime is 211222020121039. The reversal of 211222020120973 is 379021020222112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 184103568099529 + 27118452021444 = 13568477^2 + 5207538^2 .

It is a cyclic number.

It is not a de Polignac number, because 211222020120973 - 2¹ = 211222020120971 is a prime.

It is a super-2 number, since 2×211222020120973² (a number of 29 digits) contains 22 as substring.

Together with 211222020120971, 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 (211222020120971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105611010060486 + 105611010060487.

It is an arithmetic number, because the mean of its divisors is an integer number (105611010060487).

Almost surely, 2^{211222020120973} is an apocalyptic number.

It is an amenable number.

211222020120973 is a deficient number, since it is larger than the sum of its proper divisors (1).

211222020120973 is an equidigital number, since it uses as much as digits as its factorization.

211222020120973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 211222020120973 in words is "two hundred eleven trillion, two hundred twenty-two billion, twenty million, one hundred twenty thousand, nine hundred seventy-three".