11222121212303 has 4 divisors (see below), whose sum is σ = 11297437462200. Its totient is φ = 11146804962408.

The previous prime is 11222121212273. The next prime is 11222121212339. The reversal of 11222121212303 is 30321212122211.

11222121212303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11222121212303 - 2²⁸ = 11221852776847 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 (11222121212503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37658124725 + ... + 37658125022.

It is an arithmetic number, because the mean of its divisors is an integer number (2824359365550).

Almost surely, 2^{11222121212303} is an apocalyptic number.

11222121212303 is a deficient number, since it is larger than the sum of its proper divisors (75316249897).

11222121212303 is an equidigital number, since it uses as much as digits as its factorization.

11222121212303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75316249896.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 11222121212303 its reverse (30321212122211), we get a palindrome (41543333334514).

The spelling of 11222121212303 in words is "eleven trillion, two hundred twenty-two billion, one hundred twenty-one million, two hundred twelve thousand, three hundred three".