100220101120 has 80 divisors (see below), whose sum is σ = 243678207168. Its totient is φ = 39523348480.

The previous prime is 100220101109. The next prime is 100220101243. The reversal of 100220101120 is 21101022001.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 100220101097 and 100220101106.

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, 93934 + ... + 457453.

Almost surely, 2^100220101120 is an apocalyptic number.

100220101120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100220101120 is an abundant number, since it is smaller than the sum of its proper divisors (143458106048).

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

100220101120 is an frugal number, since it uses more digits than its factorization.

100220101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551481 (or 551465 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100220101120 its reverse (21101022001), we get a palindrome (121321123121).

The spelling of 100220101120 in words is "one hundred billion, two hundred twenty million, one hundred one thousand, one hundred twenty".