11101312 has 16 divisors (see below), whose sum is σ = 22116150. Its totient is φ = 5550592.

The previous prime is 11101303. The next prime is 11101331. The reversal of 11101312 is 21310111.

It can be written as a sum of positive squares in only one way, i.e., 9096256 + 2005056 = 3016^2 + 1416^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43237 + ... + 43492.

Almost surely, 2^11101312 is an apocalyptic number.

It is an amenable number.

11101312 is a deficient number, since it is larger than the sum of its proper divisors (11014838).

11101312 is an frugal number, since it uses more digits than its factorization.

11101312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86743 (or 86731 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 11101312 is about 3331.8631424475. The cubic root of 11101312 is about 223.0786989218.

Adding to 11101312 its reverse (21310111), we get a palindrome (32411423).

The spelling of 11101312 in words is "eleven million, one hundred one thousand, three hundred twelve".