100222112200020 has 24 divisors (see below), whose sum is σ = 280621914160224. Its totient is φ = 26725896586656.

The previous prime is 100222112200009. The next prime is 100222112200043. The reversal of 100222112200020 is 20002211222001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 835184268274 + ... + 835184268393.

It is an arithmetic number, because the mean of its divisors is an integer number (11692579756676).

Almost surely, 2^{100222112200020} is an apocalyptic number.

100222112200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100222112200020 is an abundant number, since it is smaller than the sum of its proper divisors (180399801960204).

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

100222112200020 is a wasteful number, since it uses less digits than its factorization.

100222112200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670368536679 (or 1670368536677 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 100222112200020 its reverse (20002211222001), we get a palindrome (120224323422021).

The spelling of 100222112200020 in words is "one hundred trillion, two hundred twenty-two billion, one hundred twelve million, two hundred thousand, twenty".