111222200122223 has 4 divisors (see below), whose sum is σ = 116057947953648. Its totient is φ = 106386452290800.

The previous prime is 111222200122219. The next prime is 111222200122273. The reversal of 111222200122223 is 322221002222111.

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 111222200122223 - 2² = 111222200122219 is a prime.

It is a super-2 number, since 2×111222200122223² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 4835747831401 = 111222200122223 / (1 + 1 + 1 + 2 + 2 + 2 + 2 + 0 + 0 + 1 + 2 + 2 + 2 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111222200122273) 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, 2417873915678 + ... + 2417873915723.

It is an arithmetic number, because the mean of its divisors is an integer number (29014486988412).

Almost surely, 2^{111222200122223} is an apocalyptic number.

111222200122223 is a deficient number, since it is larger than the sum of its proper divisors (4835747831425).

111222200122223 is an equidigital number, since it uses as much as digits as its factorization.

111222200122223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4835747831424.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 111222200122223 its reverse (322221002222111), we get a palindrome (433443202344334).

The spelling of 111222200122223 in words is "one hundred eleven trillion, two hundred twenty-two billion, two hundred million, one hundred twenty-two thousand, two hundred twenty-three".