221103023000100 has 144 divisors (see below), whose sum is σ = 653346362323200. Its totient is φ = 57705397816320.

The previous prime is 221103023000077. The next prime is 221103023000129. The reversal of 221103023000100 is 1000320301122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 221103023000100.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1669782696 + ... + 1669915104.

Almost surely, 2^{221103023000100} is an apocalyptic number.

221103023000100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221103023000100 is an abundant number, since it is smaller than the sum of its proper divisors (432243339323100).

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

221103023000100 is a wasteful number, since it uses less digits than its factorization.

221103023000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250902 (or 250895 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 221103023000100 its reverse (1000320301122), we get a palindrome (222103343301222).

The spelling of 221103023000100 in words is "two hundred twenty-one trillion, one hundred three billion, twenty-three million, one hundred", and thus it is an aban number.