12111011010222 has 192 divisors, whose sum is σ = 27344600187840. Its totient is φ = 3558709002240.

The previous prime is 12111011010199. The next prime is 12111011010233. The reversal of 12111011010222 is 22201011011121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 803482878 + ... + 803497950.

It is an arithmetic number, because the mean of its divisors is an integer number (142419792645).

Almost surely, 2^{12111011010222} is an apocalyptic number.

12111011010222 is an abundant number, since it is smaller than the sum of its proper divisors (15233589177618).

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

12111011010222 is a wasteful number, since it uses less digits than its factorization.

12111011010222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15319 (or 15258 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12111011010222 its reverse (22201011011121), we get a palindrome (34312022021343).

The spelling of 12111011010222 in words is "twelve trillion, one hundred eleven billion, eleven million, ten thousand, two hundred twenty-two".