222022201111 has 8 divisors (see below), whose sum is σ = 225232001280. Its totient is φ = 218822385912.

The previous prime is 222022201081. The next prime is 222022201189. The reversal of 222022201111 is 111102220222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222022201111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222022211111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2451445 + ... + 2540398.

It is an arithmetic number, because the mean of its divisors is an integer number (28154000160).

Almost surely, 2^222022201111 is an apocalyptic number.

222022201111 is a deficient number, since it is larger than the sum of its proper divisors (3209800169).

222022201111 is an equidigital number, since it uses as much as digits as its factorization.

222022201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4992485.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222022201111 its reverse (111102220222), we get a palindrome (333124421333).

The spelling of 222022201111 in words is "two hundred twenty-two billion, twenty-two million, two hundred one thousand, one hundred eleven".