221120033130 has 48 divisors (see below), whose sum is σ = 575504396064. Its totient is φ = 58904592480.

The previous prime is 221120033087. The next prime is 221120033131. The reversal of 221120033130 is 31330021122.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (221120033131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1177744 + ... + 1352523.

It is an arithmetic number, because the mean of its divisors is an integer number (11989674918).

Almost surely, 2^221120033130 is an apocalyptic number.

221120033130 is an abundant number, since it is smaller than the sum of its proper divisors (354384362934).

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

221120033130 is a wasteful number, since it uses less digits than its factorization.

221120033130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531251 (or 2531248 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 221120033130 its reverse (31330021122), we get a palindrome (252450054252).

The spelling of 221120033130 in words is "two hundred twenty-one billion, one hundred twenty million, thirty-three thousand, one hundred thirty".