211422210973 has 2 divisors, whose sum is σ = 211422210974. Its totient is φ = 211422210972.

The previous prime is 211422210941. The next prime is 211422211003. The reversal of 211422210973 is 379012224112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 198650272804 + 12771938169 = 445702^2 + 113013^2 .

It is a cyclic number.

It is not a de Polignac number, because 211422210973 - 2⁵ = 211422210941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211422210173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105711105486 + 105711105487.

It is an arithmetic number, because the mean of its divisors is an integer number (105711105487).

Almost surely, 2^211422210973 is an apocalyptic number.

It is an amenable number.

211422210973 is a deficient number, since it is larger than the sum of its proper divisors (1).

211422210973 is an equidigital number, since it uses as much as digits as its factorization.

211422210973 is an evil number, because the sum of its binary digits is even.

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

The spelling of 211422210973 in words is "two hundred eleven billion, four hundred twenty-two million, two hundred ten thousand, nine hundred seventy-three".