222112212001100 has 72 divisors (see below), whose sum is σ = 510022956941568. Its totient is φ = 83785133185600.

The previous prime is 222112212001093. The next prime is 222112212001153. The reversal of 222112212001100 is 1100212211222.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 679910834 + ... + 680237433.

It is an arithmetic number, because the mean of its divisors is an integer number (7083652179744).

Almost surely, 2^{222112212001100} is an apocalyptic number.

222112212001100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222112212001100 is an abundant number, since it is smaller than the sum of its proper divisors (287910744940468).

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

222112212001100 is a wasteful number, since it uses less digits than its factorization.

222112212001100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360148375 (or 1360148368 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222112212001100 its reverse (1100212211222), we get a palindrome (223212424212322).

The spelling of 222112212001100 in words is "two hundred twenty-two trillion, one hundred twelve billion, two hundred twelve million, one thousand, one hundred".