11221112303 has 12 divisors (see below), whose sum is σ = 11652872088. Its totient is φ = 10804829280.

The previous prime is 11221112249. The next prime is 11221112323. The reversal of 11221112303 is 30321112211.

It is not a de Polignac number, because 11221112303 - 2⁶ = 11221112239 is a prime.

It is a super-2 number, since 2×11221112303² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221112323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 295808 + ... + 331578.

It is an arithmetic number, because the mean of its divisors is an integer number (971072674).

Almost surely, 2^11221112303 is an apocalyptic number.

11221112303 is a deficient number, since it is larger than the sum of its proper divisors (431759785).

11221112303 is an equidigital number, since it uses as much as digits as its factorization.

11221112303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36202 (or 36173 counting only the distinct ones).

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

Adding to 11221112303 its reverse (30321112211), we get a palindrome (41542224514).

The spelling of 11221112303 in words is "eleven billion, two hundred twenty-one million, one hundred twelve thousand, three hundred three".