2112213321 has 16 divisors (see below), whose sum is σ = 3132275520. Its totient is φ = 1406760480.

The previous prime is 2112213319. The next prime is 2112213343. The reversal of 2112213321 is 1233122112.

It is not a de Polignac number, because 2112213321 - 2¹ = 2112213319 is a prime.

It is a super-2 number, since 2×2112213321² = 8922890226819698082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112213294 and 2112213303.

It is not an unprimeable number, because it can be changed into a prime (2112213361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9975 + ... + 65756.

It is an arithmetic number, because the mean of its divisors is an integer number (195767220).

Almost surely, 2^2112213321 is an apocalyptic number.

It is an amenable number.

2112213321 is a deficient number, since it is larger than the sum of its proper divisors (1020062199).

2112213321 is a wasteful number, since it uses less digits than its factorization.

2112213321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76773 (or 76767 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 2112213321 is about 45958.8220149298. The cubic root of 2112213321 is about 1283.0569271622.

Adding to 2112213321 its reverse (1233122112), we get a palindrome (3345335433).

It can be divided in two parts, 21122 and 13321, that added together give a palindrome (34443).

The spelling of 2112213321 in words is "two billion, one hundred twelve million, two hundred thirteen thousand, three hundred twenty-one".