22122121203 has 96 divisors (see below), whose sum is σ = 41003569152. Its totient is φ = 11179296000.

The previous prime is 22122121201. The next prime is 22122121247. The reversal of 22122121203 is 30212122122.

22122121203 is a `hidden beast` number, since 221 + 221 + 21 + 203 = 666.

It is not a de Polignac number, because 22122121203 - 2¹ = 22122121201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22122121201) 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 95 ways as a sum of consecutive naturals, for example, 2559976 + ... + 2568602.

It is an arithmetic number, because the mean of its divisors is an integer number (427120512).

Almost surely, 2^22122121203 is an apocalyptic number.

22122121203 is a deficient number, since it is larger than the sum of its proper divisors (18881447949).

22122121203 is a wasteful number, since it uses less digits than its factorization.

22122121203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8785 (or 8782 counting only the distinct ones).

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

Adding to 22122121203 its reverse (30212122122), we get a palindrome (52334243325).

The spelling of 22122121203 in words is "twenty-two billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred three".