100211220200 has 144 divisors (see below), whose sum is σ = 288334536480. Its totient is φ = 31715124480.

The previous prime is 100211220149. The next prime is 100211220233. The reversal of 100211220200 is 2022112001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 24827 + ... + 448373.

It is an arithmetic number, because the mean of its divisors is an integer number (2002323170).

Almost surely, 2^100211220200 is an apocalyptic number.

100211220200 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 100211220200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144167268240).

100211220200 is an abundant number, since it is smaller than the sum of its proper divisors (188123316280).

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

100211220200 is a wasteful number, since it uses less digits than its factorization.

100211220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423596 (or 423574 counting only the distinct ones).

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

Adding to 100211220200 its reverse (2022112001), we get a palindrome (102233332201).

The spelling of 100211220200 in words is "one hundred billion, two hundred eleven million, two hundred twenty thousand, two hundred".