10222111 has 2 divisors, whose sum is σ = 10222112. Its totient is φ = 10222110.

The previous prime is 10222099. The next prime is 10222141. The reversal of 10222111 is 11122201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10222111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10222141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5111055 + 5111056.

It is an arithmetic number, because the mean of its divisors is an integer number (5111056).

Almost surely, 2^10222111 is an apocalyptic number.

10222111 is a deficient number, since it is larger than the sum of its proper divisors (1).

10222111 is an equidigital number, since it uses as much as digits as its factorization.

10222111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 10222111 is about 3197.2036219171. The cubic root of 10222111 is about 217.0268819296.

Adding to 10222111 its reverse (11122201), we get a palindrome (21344312).

The spelling of 10222111 in words is "ten million, two hundred twenty-two thousand, one hundred eleven".