11222122203 has 12 divisors (see below), whose sum is σ = 16234338120. Its totient is φ = 7470058176.

The previous prime is 11222122201. The next prime is 11222122207. The reversal of 11222122203 is 30222122211.

It is not a de Polignac number, because 11222122203 - 2¹ = 11222122201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11222122201) 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 11 ways as a sum of consecutive naturals, for example, 940126 + ... + 951987.

It is an arithmetic number, because the mean of its divisors is an integer number (1352861510).

Almost surely, 2^11222122203 is an apocalyptic number.

11222122203 is a deficient number, since it is larger than the sum of its proper divisors (5012215917).

11222122203 is a wasteful number, since it uses less digits than its factorization.

11222122203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892778 (or 1892775 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 11222122203 its reverse (30222122211), we get a palindrome (41444244414).

The spelling of 11222122203 in words is "eleven billion, two hundred twenty-two million, one hundred twenty-two thousand, two hundred three".