221103200130 has 64 divisors (see below), whose sum is σ = 532051752960. Its totient is φ = 58804979904.

The previous prime is 221103200117. The next prime is 221103200137. The reversal of 221103200130 is 31002301122.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (221103200137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54903177 + ... + 54907203.

It is an arithmetic number, because the mean of its divisors is an integer number (8313308640).

Almost surely, 2^221103200130 is an apocalyptic number.

221103200130 is an abundant number, since it is smaller than the sum of its proper divisors (310948552830).

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

221103200130 is a wasteful number, since it uses less digits than its factorization.

221103200130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8423.

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

Adding to 221103200130 its reverse (31002301122), we get a palindrome (252105501252).

The spelling of 221103200130 in words is "two hundred twenty-one billion, one hundred three million, two hundred thousand, one hundred thirty".