22120321210 has 32 divisors (see below), whose sum is σ = 42923260800. Its totient is φ = 8159147328.

The previous prime is 22120321187. The next prime is 22120321217. The reversal of 22120321210 is 1212302122.

It is a happy number.

It is a super-2 number, since 2×22120321210² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22120321217) 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 15 ways as a sum of consecutive naturals, for example, 41241 + ... + 214339.

It is an arithmetic number, because the mean of its divisors is an integer number (1341351900).

Almost surely, 2^22120321210 is an apocalyptic number.

22120321210 is a deficient number, since it is larger than the sum of its proper divisors (20802939590).

22120321210 is a wasteful number, since it uses less digits than its factorization.

22120321210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174102.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22120321210 its reverse (1212302122), we get a palindrome (23332623332).

The spelling of 22120321210 in words is "twenty-two billion, one hundred twenty million, three hundred twenty-one thousand, two hundred ten".