11121203312 has 10 divisors (see below), whose sum is σ = 21547331448. Its totient is φ = 5560601648.

The previous prime is 11121203299. The next prime is 11121203351. The reversal of 11121203312 is 21330212111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347537588 + ... + 347537619.

Almost surely, 2^11121203312 is an apocalyptic number.

It is an amenable number.

11121203312 is a deficient number, since it is larger than the sum of its proper divisors (10426128136).

11121203312 is an equidigital number, since it uses as much as digits as its factorization.

11121203312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695075215 (or 695075209 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11121203312 its reverse (21330212111), we get a palindrome (32451415423).

The spelling of 11121203312 in words is "eleven billion, one hundred twenty-one million, two hundred three thousand, three hundred twelve".