222210011111 has 8 divisors (see below), whose sum is σ = 248048385024. Its totient is φ = 197311214520.

The previous prime is 222210011083. The next prime is 222210011161. The reversal of 222210011111 is 111110012222.

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-222210011111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222210011161) 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, 234893831 + ... + 234894776.

It is an arithmetic number, because the mean of its divisors is an integer number (31006048128).

Almost surely, 2^222210011111 is an apocalyptic number.

222210011111 is a deficient number, since it is larger than the sum of its proper divisors (25838373913).

222210011111 is a wasteful number, since it uses less digits than its factorization.

222210011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469788661.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 222210011111 its reverse (111110012222), we get a palindrome (333320023333).

The spelling of 222210011111 in words is "two hundred twenty-two billion, two hundred ten million, eleven thousand, one hundred eleven".