11211222210312 has 16 divisors (see below), whose sum is σ = 28028055525840. Its totient is φ = 3737074070096.

The previous prime is 11211222210289. The next prime is 11211222210329. The reversal of 11211222210312 is 21301222211211.

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 3 ways as a sum of consecutive naturals, for example, 233567129358 + ... + 233567129405.

It is an arithmetic number, because the mean of its divisors is an integer number (1751753470365).

Almost surely, 2^{11211222210312} is an apocalyptic number.

11211222210312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11211222210312 is an abundant number, since it is smaller than the sum of its proper divisors (16816833315528).

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

11211222210312 is a wasteful number, since it uses less digits than its factorization.

11211222210312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467134258772 (or 467134258768 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 11211222210312 its reverse (21301222211211), we get a palindrome (32512444421523).

The spelling of 11211222210312 in words is "eleven trillion, two hundred eleven billion, two hundred twenty-two million, two hundred ten thousand, three hundred twelve".