222112210100 has 108 divisors (see below), whose sum is σ = 530120695104. Its totient is φ = 80716680000.

The previous prime is 222112210081. The next prime is 222112210127. The reversal of 222112210100 is 1012211222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22634195 + ... + 22644005.

Almost surely, 2^222112210100 is an apocalyptic number.

222112210100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222112210100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265060347552).

222112210100 is an abundant number, since it is smaller than the sum of its proper divisors (308008485004).

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

222112210100 is a wasteful number, since it uses less digits than its factorization.

222112210100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11718 (or 11700 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222112210100 its reverse (1012211222), we get a palindrome (223124421322).

The spelling of 222112210100 in words is "two hundred twenty-two billion, one hundred twelve million, two hundred ten thousand, one hundred".