222211110012 has 24 divisors (see below), whose sum is σ = 532505904336. Its totient is φ = 72068467968.

The previous prime is 222211109969. The next prime is 222211110029. The reversal of 222211110012 is 210011112222.

222211110012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 222211109973 and 222211110000.

It is a congruent 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, 250237293 + ... + 250238180.

It is an arithmetic number, because the mean of its divisors is an integer number (22187746014).

Almost surely, 2^222211110012 is an apocalyptic number.

It is an amenable number.

222211110012 is an abundant number, since it is smaller than the sum of its proper divisors (310294794324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222211110012 is a wasteful number, since it uses less digits than its factorization.

222211110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500475517 (or 500475515 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 222211110012 its reverse (210011112222), we get a palindrome (432222222234).

The spelling of 222211110012 in words is "two hundred twenty-two billion, two hundred eleven million, one hundred ten thousand, twelve".