222010211111 has 64 divisors (see below), whose sum is σ = 262876078080. Its totient is φ = 185633095680.

The previous prime is 222010211089. The next prime is 222010211117. The reversal of 222010211111 is 111112010222.

It is a cyclic number.

It is not a de Polignac number, because 222010211111 - 2²⁶ = 221943102247 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 (222010211117) 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 63 ways as a sum of consecutive naturals, for example, 180348866 + ... + 180350096.

It is an arithmetic number, because the mean of its divisors is an integer number (4107438720).

Almost surely, 2^222010211111 is an apocalyptic number.

222010211111 is a deficient number, since it is larger than the sum of its proper divisors (40865866969).

222010211111 is a wasteful number, since it uses less digits than its factorization.

222010211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584.

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

Adding to 222010211111 its reverse (111112010222), we get a palindrome (333122221333).

The spelling of 222010211111 in words is "two hundred twenty-two billion, ten million, two hundred eleven thousand, one hundred eleven".