202222112111 has 2 divisors, whose sum is σ = 202222112112. Its totient is φ = 202222112110.

The previous prime is 202222112017. The next prime is 202222112177. The reversal of 202222112111 is 111211222202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202222112111 - 2³⁴ = 185042242927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202222112111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202222112011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101111056055 + 101111056056.

It is an arithmetic number, because the mean of its divisors is an integer number (101111056056).

Almost surely, 2^202222112111 is an apocalyptic number.

202222112111 is a deficient number, since it is larger than the sum of its proper divisors (1).

202222112111 is an equidigital number, since it uses as much as digits as its factorization.

202222112111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202222112111 its reverse (111211222202), we get a palindrome (313433334313).

The spelling of 202222112111 in words is "two hundred two billion, two hundred twenty-two million, one hundred twelve thousand, one hundred eleven".