223222121111 has 8 divisors (see below), whose sum is σ = 245926082448. Its totient is φ = 200920000000.

The previous prime is 223222121071. The next prime is 223222121149. The reversal of 223222121111 is 111121222322.

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 223222121111 - 2¹⁴ = 223222104727 is a prime.

It is a super-3 number, since 3×223222121111³ (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 (223222127111) 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, 100458890 + ... + 100461111.

It is an arithmetic number, because the mean of its divisors is an integer number (30740760306).

Almost surely, 2^223222121111 is an apocalyptic number.

223222121111 is a deficient number, since it is larger than the sum of its proper divisors (22703961337).

223222121111 is a wasteful number, since it uses less digits than its factorization.

223222121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200920113.

The product of its digits is 192, while the sum is 20.

Adding to 223222121111 its reverse (111121222322), we get a palindrome (334343343433).

The spelling of 223222121111 in words is "two hundred twenty-three billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred eleven".