210222112117 has 2 divisors, whose sum is σ = 210222112118. Its totient is φ = 210222112116.

The previous prime is 210222112103. The next prime is 210222112127. The reversal of 210222112117 is 711211222012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197739413041 + 12482699076 = 444679^2 + 111726^2 .

It is a cyclic number.

It is not a de Polignac number, because 210222112117 - 2¹¹ = 210222110069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210222112127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105111056058 + 105111056059.

It is an arithmetic number, because the mean of its divisors is an integer number (105111056059).

Almost surely, 2^210222112117 is an apocalyptic number.

It is an amenable number.

210222112117 is a deficient number, since it is larger than the sum of its proper divisors (1).

210222112117 is an equidigital number, since it uses as much as digits as its factorization.

210222112117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 210222112117 its reverse (711211222012), we get a palindrome (921433334129).

The spelling of 210222112117 in words is "two hundred ten billion, two hundred twenty-two million, one hundred twelve thousand, one hundred seventeen".