222122102102100 has 216 divisors, whose sum is σ = 733851989820768. Its totient is φ = 58261534588800.

The previous prime is 222122102102011. The next prime is 222122102102129. The reversal of 222122102102100 is 1201201221222.

It is a happy number.

222122102102100 is a `hidden beast` number, since 2 + 2 + 21 + 221 + 0 + 210 + 210 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 73442514 + ... + 76407113.

Almost surely, 2^{222122102102100} is an apocalyptic number.

222122102102100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222122102102100 is an abundant number, since it is smaller than the sum of its proper divisors (511729887718668).

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

222122102102100 is a wasteful number, since it uses less digits than its factorization.

222122102102100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149849717 (or 149849698 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222122102102100 its reverse (1201201221222), we get a palindrome (223323303323322).

The spelling of 222122102102100 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, one hundred two million, one hundred two thousand, one hundred".