222211201111012 has 24 divisors (see below), whose sum is σ = 405995018692032. Its totient is φ = 106217815836000.

The previous prime is 222211201110949. The next prime is 222211201111021. The reversal of 222211201111012 is 210111102112222.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648764614 + ... + 649107037.

It is an arithmetic number, because the mean of its divisors is an integer number (16916459112168).

Almost surely, 2^{222211201111012} is an apocalyptic number.

It is an amenable number.

222211201111012 is a deficient number, since it is larger than the sum of its proper divisors (183783817581020).

222211201111012 is a wasteful number, since it uses less digits than its factorization.

222211201111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297873539 (or 1297873537 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 222211201111012 its reverse (210111102112222), we get a palindrome (432322303223234).

The spelling of 222211201111012 in words is "two hundred twenty-two trillion, two hundred eleven billion, two hundred one million, one hundred eleven thousand, twelve".