221132223312132 has 24 divisors (see below), whose sum is σ = 562882022976672. Its totient is φ = 67009764640000.

The previous prime is 221132223312127. The next prime is 221132223312163. The reversal of 221132223312132 is 231213322231122.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 221132223312132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 837622057869 + ... + 837622058132.

It is an arithmetic number, because the mean of its divisors is an integer number (23453417624028).

Almost surely, 2^{221132223312132} is an apocalyptic number.

221132223312132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

221132223312132 is an abundant number, since it is smaller than the sum of its proper divisors (341749799664540).

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

221132223312132 is a wasteful number, since it uses less digits than its factorization.

221132223312132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675244116019 (or 1675244116017 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

Adding to 221132223312132 its reverse (231213322231122), we get a palindrome (452345545543254).

The spelling of 221132223312132 in words is "two hundred twenty-one trillion, one hundred thirty-two billion, two hundred twenty-three million, three hundred twelve thousand, one hundred thirty-two".