11212211123303 has 8 divisors (see below), whose sum is σ = 11500973566656. Its totient is φ = 10924176960000.

The previous prime is 11212211123251. The next prime is 11212211123317. The reversal of 11212211123303 is 30332111221211.

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 11212211123303 - 2²⁰ = 11212210074727 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 (11212211123903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182038826 + ... + 182100407.

It is an arithmetic number, because the mean of its divisors is an integer number (1437621695832).

Almost surely, 2^{11212211123303} is an apocalyptic number.

11212211123303 is a deficient number, since it is larger than the sum of its proper divisors (288762443353).

11212211123303 is an equidigital number, since it uses as much as digits as its factorization.

11212211123303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364140025.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 11212211123303 its reverse (30332111221211), we get a palindrome (41544322344514).

The spelling of 11212211123303 in words is "eleven trillion, two hundred twelve billion, two hundred eleven million, one hundred twenty-three thousand, three hundred three".