22221311203 has 24 divisors (see below), whose sum is σ = 28173147408. Its totient is φ = 17369827776.

The previous prime is 22221311191. The next prime is 22221311207. The reversal of 22221311203 is 30211312222.

It is a de Polignac number, because none of the positive numbers 2^k-22221311203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22221311207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157276 + ... + 263017.

It is an arithmetic number, because the mean of its divisors is an integer number (1173881142).

Almost surely, 2^22221311203 is an apocalyptic number.

22221311203 is a deficient number, since it is larger than the sum of its proper divisors (5951836205).

22221311203 is a wasteful number, since it uses less digits than its factorization.

22221311203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420403 (or 420396 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22221311203 its reverse (30211312222), we get a palindrome (52432623425).

The spelling of 22221311203 in words is "twenty-two billion, two hundred twenty-one million, three hundred eleven thousand, two hundred three".