222002100100 has 54 divisors (see below), whose sum is σ = 529520905802. Its totient is φ = 80728032000.

The previous prime is 222002100059. The next prime is 222002100119. The reversal of 222002100100 is 1001200222.

222002100100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 41286988864 + 180715111236 = 203192^2 + 425106^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

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 17 ways as a sum of consecutive naturals, for example, 9161541 + ... + 9185740.

Almost surely, 2^222002100100 is an apocalyptic number.

222002100100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222002100100 is an abundant number, since it is smaller than the sum of its proper divisors (307518805702).

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

222002100100 is a wasteful number, since it uses less digits than its factorization.

222002100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18347317 (or 18347299 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 222002100100 its reverse (1001200222), we get a palindrome (223003300322).

The spelling of 222002100100 in words is "two hundred twenty-two billion, two million, one hundred thousand, one hundred".