11212322303 has 32 divisors (see below), whose sum is σ = 14359597056. Its totient is φ = 8518543488.

The previous prime is 11212322291. The next prime is 11212322311. The reversal of 11212322303 is 30322321211.

It is not a de Polignac number, because 11212322303 - 2²⁰ = 11211273727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212322903) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201950 + ... + 251412.

It is an arithmetic number, because the mean of its divisors is an integer number (448737408).

Almost surely, 2^11212322303 is an apocalyptic number.

11212322303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11212322303 is a deficient number, since it is larger than the sum of its proper divisors (3147274753).

11212322303 is a wasteful number, since it uses less digits than its factorization.

11212322303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49583.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11212322303 its reverse (30322321211), we get a palindrome (41534643514).

The spelling of 11212322303 in words is "eleven billion, two hundred twelve million, three hundred twenty-two thousand, three hundred three".