222312220111 has 16 divisors (see below), whose sum is σ = 228471516000. Its totient is φ = 216189030400.

The previous prime is 222312220099. The next prime is 222312220147. The reversal of 222312220111 is 111022213222.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222312220111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222312220181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20078685 + ... + 20089753.

It is an arithmetic number, because the mean of its divisors is an integer number (14279469750).

Almost surely, 2^222312220111 is an apocalyptic number.

222312220111 is a deficient number, since it is larger than the sum of its proper divisors (6159295889).

222312220111 is a wasteful number, since it uses less digits than its factorization.

222312220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12650.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 222312220111 its reverse (111022213222), we get a palindrome (333334433333).

The spelling of 222312220111 in words is "two hundred twenty-two billion, three hundred twelve million, two hundred twenty thousand, one hundred eleven".