100222220200120 has 16 divisors (see below), whose sum is σ = 225499995450360. Its totient is φ = 40088888080032.

The previous prime is 100222220200103. The next prime is 100222220200133. The reversal of 100222220200120 is 21002022222001.

It is a junction number, because it is equal to n+sod(n) for n = 100222220200094 and 100222220200103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1252777752462 + ... + 1252777752541.

Almost surely, 2^{100222220200120} is an apocalyptic number.

100222220200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100222220200120 is an abundant number, since it is smaller than the sum of its proper divisors (125277775250240).

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

100222220200120 is a wasteful number, since it uses less digits than its factorization.

100222220200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505555505014 (or 2505555505010 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 100222220200120 its reverse (21002022222001), we get a palindrome (121224242422121).

The spelling of 100222220200120 in words is "one hundred trillion, two hundred twenty-two billion, two hundred twenty million, two hundred thousand, one hundred twenty".