222200011111 has 4 divisors (see below), whose sum is σ = 239292319672. Its totient is φ = 205107702552.

The previous prime is 222200011093. The next prime is 222200011129. The reversal of 222200011111 is 111110002222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111110002222 = 2 ⋅55555001111.

It is an interprime number because it is at equal distance from previous prime (222200011093) and next prime (222200011129).

It is a cyclic number.

It is not a de Polignac number, because 222200011111 - 2¹⁷ = 222199880039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 17092308547 = 222200011111 / (2 + 2 + 2 + 2 + 0 + 0 + 0 + 1 + 1 + 1 + 1 + 1).

It is a Duffinian number.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 222200011091 and 222200011100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222200011511) 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, 8546154261 + ... + 8546154286.

It is an arithmetic number, because the mean of its divisors is an integer number (59823079918).

Almost surely, 2^222200011111 is an apocalyptic number.

222200011111 is a deficient number, since it is larger than the sum of its proper divisors (17092308561).

222200011111 is a wasteful number, since it uses less digits than its factorization.

222200011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17092308560.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 222200011111 its reverse (111110002222), we get a palindrome (333310013333).

The spelling of 222200011111 in words is "two hundred twenty-two billion, two hundred million, eleven thousand, one hundred eleven".