102111222 has 16 divisors (see below), whose sum is σ = 204449472. Its totient is φ = 33999240.

The previous prime is 102111203. The next prime is 102111239. The reversal of 102111222 is 222111201.

It is a junction number, because it is equal to n+sod(n) for n = 102111198 and 102111207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3304 + ... + 14667.

It is an arithmetic number, because the mean of its divisors is an integer number (12778092).

Almost surely, 2^102111222 is an apocalyptic number.

102111222 is an abundant number, since it is smaller than the sum of its proper divisors (102338250).

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

102111222 is a wasteful number, since it uses less digits than its factorization.

102111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18923.

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

The square root of 102111222 is about 10105.0097476450. The cubic root of 102111222 is about 467.4026365535.

Adding to 102111222 its reverse (222111201), we get a palindrome (324222423).

The spelling of 102111222 in words is "one hundred two million, one hundred eleven thousand, two hundred twenty-two".