221113231332 has 24 divisors (see below), whose sum is σ = 589635283776. Its totient is φ = 63175208928.

The previous prime is 221113231309. The next prime is 221113231343. The reversal of 221113231332 is 233132311122.

It is a super-2 number, since 2×221113231332² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1316150103 + ... + 1316150270.

It is an arithmetic number, because the mean of its divisors is an integer number (24568136824).

Almost surely, 2^221113231332 is an apocalyptic number.

It is an amenable number.

221113231332 is an abundant number, since it is smaller than the sum of its proper divisors (368522052444).

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

221113231332 is a wasteful number, since it uses less digits than its factorization.

221113231332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2632300387 (or 2632300385 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

Adding to 221113231332 its reverse (233132311122), we get a palindrome (454245542454).

The spelling of 221113231332 in words is "two hundred twenty-one billion, one hundred thirteen million, two hundred thirty-one thousand, three hundred thirty-two".