221213201123332 has 12 divisors (see below), whose sum is σ = 422316111235536. Its totient is φ = 100551455056040.

The previous prime is 221213201123293. The next prime is 221213201123347. The reversal of 221213201123332 is 233321102312122.

It is a self number, because there is not a number n which added to its sum of digits gives 221213201123332.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2513786376358 + ... + 2513786376445.

It is an arithmetic number, because the mean of its divisors is an integer number (35193009269628).

Almost surely, 2^{221213201123332} is an apocalyptic number.

221213201123332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

221213201123332 is a deficient number, since it is larger than the sum of its proper divisors (201102910112204).

221213201123332 is a wasteful number, since it uses less digits than its factorization.

221213201123332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5027572752818 (or 5027572752816 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 221213201123332 its reverse (233321102312122), we get a palindrome (454534303435454).

The spelling of 221213201123332 in words is "two hundred twenty-one trillion, two hundred thirteen billion, two hundred one million, one hundred twenty-three thousand, three hundred thirty-two".