100000222211200 has 48 divisors (see below), whose sum is σ = 247031798939010. Its totient is φ = 40000088883200.

The previous prime is 100000222211177. The next prime is 100000222211203. The reversal of 100000222211200 is 2112222000001.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 87506146398784 + 12494075812416 = 9354472^2 + 3534696^2 .

It is not an unprimeable number, because it can be changed into a prime (100000222211203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15625031521 + ... + 15625037920.

Almost surely, 2^{100000222211200} is an apocalyptic number.

100000222211200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100000222211200 is an abundant number, since it is smaller than the sum of its proper divisors (147031576727810).

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

100000222211200 is an equidigital number, since it uses as much as digits as its factorization.

100000222211200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31250069465 (or 31250069448 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100000222211200 its reverse (2112222000001), we get a palindrome (102112444211201).

The spelling of 100000222211200 in words is "one hundred trillion, two hundred twenty-two million, two hundred eleven thousand, two hundred".