223232212111 has 4 divisors (see below), whose sum is σ = 224568932112. Its totient is φ = 221895492112.

The previous prime is 223232211947. The next prime is 223232212127. The reversal of 223232212111 is 111212232322.

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

It is a cyclic number.

It is not a de Polignac number, because 223232212111 - 2¹¹ = 223232210063 is a prime.

It is a super-3 number, since 3×223232212111³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223232213111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668359750 + ... + 668360083.

It is an arithmetic number, because the mean of its divisors is an integer number (56142233028).

Almost surely, 2^223232212111 is an apocalyptic number.

223232212111 is a deficient number, since it is larger than the sum of its proper divisors (1336720001).

223232212111 is a wasteful number, since it uses less digits than its factorization.

223232212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336720000.

The product of its digits is 576, while the sum is 22.

Adding to 223232212111 its reverse (111212232322), we get a palindrome (334444444433).

The spelling of 223232212111 in words is "two hundred twenty-three billion, two hundred thirty-two million, two hundred twelve thousand, one hundred eleven".