222220110212 has 24 divisors (see below), whose sum is σ = 401459584512. Its totient is φ = 107517902400.

The previous prime is 222220110143. The next prime is 222220110251. The reversal of 222220110212 is 212011022222.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1834928 + ... + 1952280.

It is an arithmetic number, because the mean of its divisors is an integer number (16727482688).

Almost surely, 2^222220110212 is an apocalyptic number.

It is an amenable number.

222220110212 is a deficient number, since it is larger than the sum of its proper divisors (179239474300).

222220110212 is a wasteful number, since it uses less digits than its factorization.

222220110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132659 (or 132657 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222220110212 its reverse (212011022222), we get a palindrome (434231132434).

The spelling of 222220110212 in words is "two hundred twenty-two billion, two hundred twenty million, one hundred ten thousand, two hundred twelve".