2212311210233 has 8 divisors (see below), whose sum is σ = 2229258869640. Its totient is φ = 2195375136640.

The previous prime is 2212311210217. The next prime is 2212311210251. The reversal of 2212311210233 is 3320121132122.

It can be written as a sum of positive squares in 4 ways, for example, as 557931314704 + 1654379895529 = 746948^2 + 1286227^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2212311210233 - 2⁴ = 2212311210217 is a prime.

It is a super-2 number, since 2×2212311210233² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2212311210199 and 2212311210208.

It is not an unprimeable number, because it can be changed into a prime (2212311212233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2512898 + ... + 3277083.

It is an arithmetic number, because the mean of its divisors is an integer number (278657358705).

Almost surely, 2^{2212311210233} is an apocalyptic number.

It is an amenable number.

2212311210233 is a deficient number, since it is larger than the sum of its proper divisors (16947659407).

2212311210233 is a wasteful number, since it uses less digits than its factorization.

2212311210233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5792907.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2212311210233 its reverse (3320121132122), we get a palindrome (5532432342355).

The spelling of 2212311210233 in words is "two trillion, two hundred twelve billion, three hundred eleven million, two hundred ten thousand, two hundred thirty-three".