222111100112 has 20 divisors (see below), whose sum is σ = 469462098336. Its totient is φ = 100959590880.

The previous prime is 222111100091. The next prime is 222111100117. The reversal of 222111100112 is 211001111222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222111100117) 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, 630997268 + ... + 630997619.

Almost surely, 2^222111100112 is an apocalyptic number.

222111100112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222111100112 is an abundant number, since it is smaller than the sum of its proper divisors (247350998224).

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

222111100112 is a wasteful number, since it uses less digits than its factorization.

222111100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261994906 (or 1261994900 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 222111100112 its reverse (211001111222), we get a palindrome (433112211334).

It can be divided in two parts, 222111 and 100112, that added together give a palindrome (322223).

The spelling of 222111100112 in words is "two hundred twenty-two billion, one hundred eleven million, one hundred thousand, one hundred twelve".