222111102 has 16 divisors (see below), whose sum is σ = 467602560. Its totient is φ = 70140312.

The previous prime is 222111091. The next prime is 222111133. The reversal of 222111102 is 201111222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 974058 + ... + 974285.

It is an arithmetic number, because the mean of its divisors is an integer number (29225160).

Almost surely, 2^222111102 is an apocalyptic number.

222111102 is an abundant number, since it is smaller than the sum of its proper divisors (245491458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222111102 is a wasteful number, since it uses less digits than its factorization.

222111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948367.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 222111102 is about 14903.3922983997. The cubic root of 222111102 is about 605.6058880227.

Adding to 222111102 its reverse (201111222), we get a palindrome (423222324).

The spelling of 222111102 in words is "two hundred twenty-two million, one hundred eleven thousand, one hundred two".