222101212100 has 36 divisors (see below), whose sum is σ = 485638740048. Its totient is φ = 88162308000.

The previous prime is 222101212079. The next prime is 222101212127. The reversal of 222101212100 is 1212101222.

222101212100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8464046 + ... + 8490245.

Almost surely, 2^222101212100 is an apocalyptic number.

222101212100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222101212100 is an abundant number, since it is smaller than the sum of its proper divisors (263537527948).

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

222101212100 is a wasteful number, since it uses less digits than its factorization.

222101212100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16954436 (or 16954429 counting only the distinct ones).

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

Adding to 222101212100 its reverse (1212101222), we get a palindrome (223313313322).

The spelling of 222101212100 in words is "two hundred twenty-two billion, one hundred one million, two hundred twelve thousand, one hundred".