212021112233 has 32 divisors (see below), whose sum is σ = 257728573440. Its totient is φ = 170370129600.

The previous prime is 212021112229. The next prime is 212021112239. The reversal of 212021112233 is 332211120212.

It is a cyclic number.

It is not a de Polignac number, because 212021112233 - 2² = 212021112229 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212021112239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35769116 + ... + 35775042.

It is an arithmetic number, because the mean of its divisors is an integer number (8054017920).

Almost surely, 2^212021112233 is an apocalyptic number.

It is an amenable number.

212021112233 is a deficient number, since it is larger than the sum of its proper divisors (45707461207).

212021112233 is a wasteful number, since it uses less digits than its factorization.

212021112233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8717.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 212021112233 its reverse (332211120212), we get a palindrome (544232232445).

The spelling of 212021112233 in words is "two hundred twelve billion, twenty-one million, one hundred twelve thousand, two hundred thirty-three".