22201120120 has 16 divisors (see below), whose sum is σ = 49952520360. Its totient is φ = 8880448032.

The previous prime is 22201120103. The next prime is 22201120141. The reversal of 22201120120 is 2102110222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22201120120.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 277513962 + ... + 277514041.

Almost surely, 2^22201120120 is an apocalyptic number.

22201120120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201120120 is an abundant number, since it is smaller than the sum of its proper divisors (27751400240).

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

22201120120 is a wasteful number, since it uses less digits than its factorization.

22201120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555028014 (or 555028010 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22201120120 its reverse (2102110222), we get a palindrome (24303230342).

The spelling of 22201120120 in words is "twenty-two billion, two hundred one million, one hundred twenty thousand, one hundred twenty".