213233111222 has 4 divisors (see below), whose sum is σ = 319849666836. Its totient is φ = 106616555610.

The previous prime is 213233111191. The next prime is 213233111237. The reversal of 213233111222 is 222111332312.

213233111222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53308277804 + ... + 53308277807.

It is an arithmetic number, because the mean of its divisors is an integer number (79962416709).

Almost surely, 2^213233111222 is an apocalyptic number.

213233111222 is a deficient number, since it is larger than the sum of its proper divisors (106616555614).

213233111222 is a wasteful number, since it uses less digits than its factorization.

213233111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106616555613.

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

Adding to 213233111222 its reverse (222111332312), we get a palindrome (435344443534).

The spelling of 213233111222 in words is "two hundred thirteen billion, two hundred thirty-three million, one hundred eleven thousand, two hundred twenty-two".