10203321222 has 32 divisors (see below), whose sum is σ = 24007816800. Its totient is φ = 3201041664.

The previous prime is 10203321209. The next prime is 10203321241. The reversal of 10203321222 is 22212330201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10203321195 and 10203321204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5556447 + ... + 5558282.

It is an arithmetic number, because the mean of its divisors is an integer number (750244275).

Almost surely, 2^10203321222 is an apocalyptic number.

10203321222 is an abundant number, since it is smaller than the sum of its proper divisors (13804495578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10203321222 is a wasteful number, since it uses less digits than its factorization.

10203321222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11114757 (or 11114751 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 10203321222 its reverse (22212330201), we get a palindrome (32415651423).

The spelling of 10203321222 in words is "ten billion, two hundred three million, three hundred twenty-one thousand, two hundred twenty-two".