2213121233332 has 6 divisors (see below), whose sum is σ = 3872962158338. Its totient is φ = 1106560616664.

The previous prime is 2213121233327. The next prime is 2213121233339. The reversal of 2213121233332 is 2333321213122.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1214412816016 + 998708417316 = 1102004^2 + 999354^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2213121233332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213121233339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276640154163 + ... + 276640154170.

Almost surely, 2^{2213121233332} is an apocalyptic number.

It is an amenable number.

2213121233332 is a deficient number, since it is larger than the sum of its proper divisors (1659840925006).

2213121233332 is a wasteful number, since it uses less digits than its factorization.

2213121233332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553280308337 (or 553280308335 counting only the distinct ones).

The product of its digits is 7776, while the sum is 28.

Adding to 2213121233332 its reverse (2333321213122), we get a palindrome (4546442446454).

The spelling of 2213121233332 in words is "two trillion, two hundred thirteen billion, one hundred twenty-one million, two hundred thirty-three thousand, three hundred thirty-two".