11111221244346 has 8 divisors (see below), whose sum is σ = 22222442488704. Its totient is φ = 3703740414780.

The previous prime is 11111221244317. The next prime is 11111221244371. The reversal of 11111221244346 is 64344212211111.

It is a sphenic number, since it is the product of 3 distinct primes.

11111221244346 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 925935103690 + ... + 925935103701.

It is an arithmetic number, because the mean of its divisors is an integer number (2777805311088).

Almost surely, 2^{11111221244346} is an apocalyptic number.

11111221244346 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11111221244346 is a wasteful number, since it uses less digits than its factorization.

11111221244346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851870207396.

The product of its digits is 9216, while the sum is 33.

Adding to 11111221244346 its reverse (64344212211111), we get a palindrome (75455433455457).

The spelling of 11111221244346 in words is "eleven trillion, one hundred eleven billion, two hundred twenty-one million, two hundred forty-four thousand, three hundred forty-six".