100010212220 has 96 divisors (see below), whose sum is σ = 234290387520. Its totient is φ = 35637166080.

The previous prime is 100010212219. The next prime is 100010212273. The reversal of 100010212220 is 22212010001.

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, 7855460 + ... + 7868180.

It is an arithmetic number, because the mean of its divisors is an integer number (2440524870).

Almost surely, 2^100010212220 is an apocalyptic number.

100010212220 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 100010212220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117145193760).

100010212220 is an abundant number, since it is smaller than the sum of its proper divisors (134280175300).

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

100010212220 is a wasteful number, since it uses less digits than its factorization.

100010212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13983 (or 13981 counting only the distinct ones).

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

Adding to 100010212220 its reverse (22212010001), we get a palindrome (122222222221).

The spelling of 100010212220 in words is "one hundred billion, ten million, two hundred twelve thousand, two hundred twenty".