222111111111010 has 32 divisors (see below), whose sum is σ = 437087453467392. Its totient is φ = 80593232522880.

The previous prime is 222111111110929. The next prime is 222111111111011. The reversal of 222111111111010 is 10111111111222.

It is not an unprimeable number, because it can be changed into a prime (222111111111011) 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, 2180501899 + ... + 2180603758.

It is an arithmetic number, because the mean of its divisors is an integer number (13658982920856).

Almost surely, 2^{222111111111010} is an apocalyptic number.

222111111111010 is a deficient number, since it is larger than the sum of its proper divisors (214976342356382).

222111111111010 is a wasteful number, since it uses less digits than its factorization.

222111111111010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4361106138.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 222111111111010 its reverse (10111111111222), we get a palindrome (232222222222232).

The spelling of 222111111111010 in words is "two hundred twenty-two trillion, one hundred eleven billion, one hundred eleven million, one hundred eleven thousand, ten".