102111111222 has 8 divisors (see below), whose sum is σ = 204222222456. Its totient is φ = 34037037072.

The previous prime is 102111111217. The next prime is 102111111227. The reversal of 102111111222 is 222111111201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102111111217) and next prime (102111111227).

It is a sphenic number, since it is the product of 3 distinct primes.

102111111222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102111111227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8509259263 + ... + 8509259274.

It is an arithmetic number, because the mean of its divisors is an integer number (25527777807).

Almost surely, 2^102111111222 is an apocalyptic number.

102111111222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

102111111222 is a wasteful number, since it uses less digits than its factorization.

102111111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17018518542.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102111111222 its reverse (222111111201), we get a palindrome (324222222423).

The spelling of 102111111222 in words is "one hundred two billion, one hundred eleven million, one hundred eleven thousand, two hundred twenty-two".