222111222010 has 32 divisors (see below), whose sum is σ = 403945615872. Its totient is φ = 87924100800.

The previous prime is 222111221929. The next prime is 222111222013. The reversal of 222111222010 is 10222111222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (222111222013) 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, 2179249 + ... + 2278891.

It is an arithmetic number, because the mean of its divisors is an integer number (12623300496).

Almost surely, 2^222111222010 is an apocalyptic number.

222111222010 is a deficient number, since it is larger than the sum of its proper divisors (181834393862).

222111222010 is a wasteful number, since it uses less digits than its factorization.

222111222010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101958.

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

Adding to 222111222010 its reverse (10222111222), we get a palindrome (232333333232).

The spelling of 222111222010 in words is "two hundred twenty-two billion, one hundred eleven million, two hundred twenty-two thousand, ten".