211222211093 has 2 divisors, whose sum is σ = 211222211094. Its totient is φ = 211222211092.

The previous prime is 211222211087. The next prime is 211222211107. The reversal of 211222211093 is 390112222112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178605128689 + 32617082404 = 422617^2 + 180602^2 .

It is a cyclic number.

It is not a de Polignac number, because 211222211093 - 2⁴ = 211222211077 is a prime.

It is a super-2 number, since 2×211222211093² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211222211023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105611105546 + 105611105547.

It is an arithmetic number, because the mean of its divisors is an integer number (105611105547).

Almost surely, 2^211222211093 is an apocalyptic number.

It is an amenable number.

211222211093 is a deficient number, since it is larger than the sum of its proper divisors (1).

211222211093 is an equidigital number, since it uses as much as digits as its factorization.

211222211093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 211222211093 in words is "two hundred eleven billion, two hundred twenty-two million, two hundred eleven thousand, ninety-three".