221133130230 has 128 divisors (see below), whose sum is σ = 570316225536. Its totient is φ = 54673920000.

The previous prime is 221133130217. The next prime is 221133130259. The reversal of 221133130230 is 32031331122.

221133130230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×221133130230² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221133130197 and 221133130206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 81507354 + ... + 81510066.

It is an arithmetic number, because the mean of its divisors is an integer number (4455595512).

Almost surely, 2^221133130230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 221133130230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285158112768).

221133130230 is an abundant number, since it is smaller than the sum of its proper divisors (349183095306).

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

221133130230 is a wasteful number, since it uses less digits than its factorization.

221133130230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5062.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 221133130230 its reverse (32031331122), we get a palindrome (253164461352).

The spelling of 221133130230 in words is "two hundred twenty-one billion, one hundred thirty-three million, one hundred thirty thousand, two hundred thirty".