233111011111222 has 4 divisors (see below), whose sum is σ = 349666516666836. Its totient is φ = 116555505555610.

The previous prime is 233111011111211. The next prime is 233111011111261. The reversal of 233111011111222 is 222111110111332.

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

It is a junction number, because it is equal to n+sod(n) for n = 233111011111193 and 233111011111202.

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, 58277752777804 + ... + 58277752777807.

It is an arithmetic number, because the mean of its divisors is an integer number (87416629166709).

Almost surely, 2^{233111011111222} is an apocalyptic number.

233111011111222 is a deficient number, since it is larger than the sum of its proper divisors (116555505555614).

233111011111222 is a wasteful number, since it uses less digits than its factorization.

233111011111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116555505555613.

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 233111011111222 its reverse (222111110111332), we get a palindrome (455222121222554).

The spelling of 233111011111222 in words is "two hundred thirty-three trillion, one hundred eleven billion, eleven million, one hundred eleven thousand, two hundred twenty-two".