11101312312 has 8 divisors (see below), whose sum is σ = 20814960600. Its totient is φ = 5550656152.

The previous prime is 11101312301. The next prime is 11101312351. The reversal of 11101312312 is 21321310111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693832012 + ... + 693832027.

It is an arithmetic number, because the mean of its divisors is an integer number (2601870075).

Almost surely, 2^11101312312 is an apocalyptic number.

It is an amenable number.

11101312312 is a deficient number, since it is larger than the sum of its proper divisors (9713648288).

11101312312 is a wasteful number, since it uses less digits than its factorization.

11101312312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387664045 (or 1387664041 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11101312312 its reverse (21321310111), we get a palindrome (32422622423).

The spelling of 11101312312 in words is "eleven billion, one hundred one million, three hundred twelve thousand, three hundred twelve".