100220100100220 has 96 divisors (see below), whose sum is σ = 216878855823168. Its totient is φ = 38873153636352.

The previous prime is 100220100100207. The next prime is 100220100100301. The reversal of 100220100100220 is 22001001022001.

It is a happy number.

It is a congruent number.

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, 2633678714 + ... + 2633716766.

It is an arithmetic number, because the mean of its divisors is an integer number (2259154748158).

Almost surely, 2^{100220100100220} is an apocalyptic number.

100220100100220 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 100220100100220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108439427911584).

100220100100220 is an abundant number, since it is smaller than the sum of its proper divisors (116658755722948).

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

100220100100220 is a wasteful number, since it uses less digits than its factorization.

100220100100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49999 (or 49997 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100220100100220 its reverse (22001001022001), we get a palindrome (122221101122221).

The spelling of 100220100100220 in words is "one hundred trillion, two hundred twenty billion, one hundred million, one hundred thousand, two hundred twenty".