100220111120 has 40 divisors (see below), whose sum is σ = 233388306240. Its totient is φ = 40023262080.

The previous prime is 100220111119. The next prime is 100220111143. The reversal of 100220111120 is 21111022001.

It is a tau number, because it is divible by the number of its divisors (40).

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, 962396 + ... + 1061435.

It is an arithmetic number, because the mean of its divisors is an integer number (5834707656).

Almost surely, 2^100220111120 is an apocalyptic number.

100220111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100220111120 is an abundant number, since it is smaller than the sum of its proper divisors (133168195120).

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

100220111120 is a wasteful number, since it uses less digits than its factorization.

100220111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024463 (or 2024457 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100220111120 its reverse (21111022001), we get a palindrome (121331133121).

The spelling of 100220111120 in words is "one hundred billion, two hundred twenty million, one hundred eleven thousand, one hundred twenty".