22120021203 has 32 divisors (see below), whose sum is σ = 34440339456. Its totient is φ = 12365155488.

The previous prime is 22120021199. The next prime is 22120021243. The reversal of 22120021203 is 30212002122.

It is a happy number.

It is not a de Polignac number, because 22120021203 - 2² = 22120021199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22120021243) 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 31 ways as a sum of consecutive naturals, for example, 2802100 + ... + 2809982.

It is an arithmetic number, because the mean of its divisors is an integer number (1076260608).

Almost surely, 2^22120021203 is an apocalyptic number.

22120021203 is a deficient number, since it is larger than the sum of its proper divisors (12320318253).

22120021203 is a wasteful number, since it uses less digits than its factorization.

22120021203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10783.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22120021203 its reverse (30212002122), we get a palindrome (52332023325).

The spelling of 22120021203 in words is "twenty-two billion, one hundred twenty million, twenty-one thousand, two hundred three".