100220012010120 has 64 divisors (see below), whose sum is σ = 300666993189120. Its totient is φ = 26724718121984.

The previous prime is 100220012010119. The next prime is 100220012010143. The reversal of 100220012010120 is 21010210022001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 100220012010096 and 100220012010105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4443504 + ... + 14838623.

It is an arithmetic number, because the mean of its divisors is an integer number (4697921768580).

Almost surely, 2^{100220012010120} is an apocalyptic number.

100220012010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100220012010120 is an abundant number, since it is smaller than the sum of its proper divisors (200446981179000).

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

100220012010120 is a wasteful number, since it uses less digits than its factorization.

100220012010120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19325454 (or 19325450 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100220012010120 its reverse (21010210022001), we get a palindrome (121230222032121).

The spelling of 100220012010120 in words is "one hundred trillion, two hundred twenty billion, twelve million, ten thousand, one hundred twenty".