22120321203 has 24 divisors (see below), whose sum is σ = 33434311248. Its totient is φ = 14077582272.

The previous prime is 22120321187. The next prime is 22120321217. The reversal of 22120321203 is 30212302122.

22120321203 is a `hidden beast` number, since 22 + 120 + 321 + 203 = 666.

It is not a de Polignac number, because 22120321203 - 2⁴ = 22120321187 is a prime.

It is a super-2 number, since 2×22120321203² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22120321403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 609025 + ... + 644322.

It is an arithmetic number, because the mean of its divisors is an integer number (1393096302).

Almost surely, 2^22120321203 is an apocalyptic number.

22120321203 is a deficient number, since it is larger than the sum of its proper divisors (11313990045).

22120321203 is a wasteful number, since it uses less digits than its factorization.

22120321203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253443 (or 1253440 counting only the distinct ones).

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

Adding to 22120321203 its reverse (30212302122), we get a palindrome (52332623325).

The spelling of 22120321203 in words is "twenty-two billion, one hundred twenty million, three hundred twenty-one thousand, two hundred three".