222011110100 has 72 divisors (see below), whose sum is σ = 518904314040. Its totient is φ = 81960468480.

The previous prime is 222011110093. The next prime is 222011110117. The reversal of 222011110100 is 1011110222.

222011110100 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 12 ways, for example, as 103435564996 + 118575545104 = 321614^2 + 344348^2 .

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 13554716 + ... + 13571084.

Almost surely, 2^222011110100 is an apocalyptic number.

222011110100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222011110100 is an abundant number, since it is smaller than the sum of its proper divisors (296893203940).

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

222011110100 is a wasteful number, since it uses less digits than its factorization.

222011110100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26829 (or 26822 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 222011110100 its reverse (1011110222), we get a palindrome (223022220322).

The spelling of 222011110100 in words is "two hundred twenty-two billion, eleven million, one hundred ten thousand, one hundred".