222211020212 has 12 divisors (see below), whose sum is σ = 389438644896. Its totient is φ = 110942835960.

The previous prime is 222211020191. The next prime is 222211020223. The reversal of 222211020212 is 212020112222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40665464 + ... + 40670927.

It is an arithmetic number, because the mean of its divisors is an integer number (32453220408).

Almost surely, 2^222211020212 is an apocalyptic number.

It is an amenable number.

222211020212 is a deficient number, since it is larger than the sum of its proper divisors (167227624684).

222211020212 is a wasteful number, since it uses less digits than its factorization.

222211020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81337078 (or 81337076 counting only the distinct ones).

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

Adding to 222211020212 its reverse (212020112222), we get a palindrome (434231132434).

The spelling of 222211020212 in words is "two hundred twenty-two billion, two hundred eleven million, twenty thousand, two hundred twelve".