221133133230 has 64 divisors (see below), whose sum is σ = 533776426560. Its totient is φ = 58629897216.

The previous prime is 221133133201. The next prime is 221133133241. The reversal of 221133133230 is 32331331122.

It is a super-2 number, since 2×221133133230² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 221133133230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5013754 + ... + 5057666.

It is an arithmetic number, because the mean of its divisors is an integer number (8340256665).

Almost surely, 2^221133133230 is an apocalyptic number.

221133133230 is an abundant number, since it is smaller than the sum of its proper divisors (312643293330).

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

221133133230 is a wasteful number, since it uses less digits than its factorization.

221133133230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44885.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 221133133230 its reverse (32331331122), we get a palindrome (253464464352).

The spelling of 221133133230 in words is "two hundred twenty-one billion, one hundred thirty-three million, one hundred thirty-three thousand, two hundred thirty".