22221120010 has 8 divisors (see below), whose sum is σ = 39998016036. Its totient is φ = 8888448000.

The previous prime is 22221119959. The next prime is 22221120011. The reversal of 22221120010 is 1002112222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21608706001 + 612414009 = 146999^2 + 24747^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22221120011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1111055991 + ... + 1111056010.

Almost surely, 2^22221120010 is an apocalyptic number.

22221120010 is a deficient number, since it is larger than the sum of its proper divisors (17776896026).

22221120010 is a wasteful number, since it uses less digits than its factorization.

22221120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222112008.

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

Adding to 22221120010 its reverse (1002112222), we get a palindrome (23223232232).

The spelling of 22221120010 in words is "twenty-two billion, two hundred twenty-one million, one hundred twenty thousand, ten".