222010111 has 2 divisors, whose sum is σ = 222010112. Its totient is φ = 222010110.

The previous prime is 222010091. The next prime is 222010147. The reversal of 222010111 is 111010222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222010111 - 2²⁵ = 188455679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222010181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111005055 + 111005056.

It is an arithmetic number, because the mean of its divisors is an integer number (111005056).

Almost surely, 2^222010111 is an apocalyptic number.

222010111 is a deficient number, since it is larger than the sum of its proper divisors (1).

222010111 is an equidigital number, since it uses as much as digits as its factorization.

222010111 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 222010111 is about 14900.0037248317. The cubic root of 222010111 is about 605.5140870941.

Adding to 222010111 its reverse (111010222), we get a palindrome (333020333).

The spelling of 222010111 in words is "two hundred twenty-two million, ten thousand, one hundred eleven".