100222505200 has 120 divisors (see below), whose sum is σ = 243031672160. Its totient is φ = 39716352000.

The previous prime is 100222505197. The next prime is 100222505219. The reversal of 100222505200 is 2505222001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24701572 + ... + 24705628.

Almost surely, 2^100222505200 is an apocalyptic number.

100222505200 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 100222505200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121515836080).

100222505200 is an abundant number, since it is smaller than the sum of its proper divisors (142809166960).

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

100222505200 is a wasteful number, since it uses less digits than its factorization.

100222505200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4635 (or 4624 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

Adding to 100222505200 its reverse (2505222001), we get a palindrome (102727727201).

The spelling of 100222505200 in words is "one hundred billion, two hundred twenty-two million, five hundred five thousand, two hundred".