11103122312312 has 32 divisors (see below), whose sum is σ = 21171617794800. Its totient is φ = 5457361211904.

The previous prime is 11103122312291. The next prime is 11103122312327. The reversal of 11103122312312 is 21321322130111.

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 7 ways as a sum of consecutive naturals, for example, 27827858 + ... + 28224030.

Almost surely, 2^{11103122312312} is an apocalyptic number.

It is an amenable number.

11103122312312 is a deficient number, since it is larger than the sum of its proper divisors (10068495482488).

11103122312312 is a wasteful number, since it uses less digits than its factorization.

11103122312312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455615 (or 455611 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 11103122312312 its reverse (21321322130111), we get a palindrome (32424444442423).

The spelling of 11103122312312 in words is "eleven trillion, one hundred three billion, one hundred twenty-two million, three hundred twelve thousand, three hundred twelve".