100100110220 has 96 divisors (see below), whose sum is σ = 235593743616. Its totient is φ = 35411040000.

The previous prime is 100100110219. The next prime is 100100110241. The reversal of 100100110220 is 22011001001.

It is a super-2 number, since 2×100100110220² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100100110198 and 100100110207.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2353382 + ... + 2395538.

It is an arithmetic number, because the mean of its divisors is an integer number (2454101496).

Almost surely, 2^100100110220 is an apocalyptic number.

100100110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100100110220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117796871808).

100100110220 is an abundant number, since it is smaller than the sum of its proper divisors (135493633396).

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

100100110220 is a wasteful number, since it uses less digits than its factorization.

100100110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42471 (or 42469 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 100100110220 its reverse (22011001001), we get a palindrome (122111111221).

The spelling of 100100110220 in words is "one hundred billion, one hundred million, one hundred ten thousand, two hundred twenty".