222112000100 has 18 divisors (see below), whose sum is σ = 481983040434. Its totient is φ = 88844800000.

The previous prime is 222112000087. The next prime is 222112000163. The reversal of 222112000100 is 1000211222.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 10947855424 + 211164144676 = 104632^2 + 459526^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1110559901 + ... + 1110560100.

Almost surely, 2^222112000100 is an apocalyptic number.

222112000100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222112000100 is an abundant number, since it is smaller than the sum of its proper divisors (259871040334).

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

222112000100 is a wasteful number, since it uses less digits than its factorization.

222112000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221120015 (or 2221120008 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 222112000100 its reverse (1000211222), we get a palindrome (223112211322).

The spelling of 222112000100 in words is "two hundred twenty-two billion, one hundred twelve million, one hundred", and thus it is an aban number.