11211112303 has 8 divisors (see below), whose sum is σ = 11287211040. Its totient is φ = 11135120640.

The previous prime is 11211112301. The next prime is 11211112309. The reversal of 11211112303 is 30321111211.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11211112303 - 2¹ = 11211112301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211112301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189223 + ... + 241303.

It is an arithmetic number, because the mean of its divisors is an integer number (1410901380).

Almost surely, 2^11211112303 is an apocalyptic number.

11211112303 is a deficient number, since it is larger than the sum of its proper divisors (76098737).

11211112303 is a wasteful number, since it uses less digits than its factorization.

11211112303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53537.

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

Adding to 11211112303 its reverse (30321111211), we get a palindrome (41532223514).

The spelling of 11211112303 in words is "eleven billion, two hundred eleven million, one hundred twelve thousand, three hundred three".