22320121010 has 48 divisors (see below), whose sum is σ = 44344454616. Its totient is φ = 8082624000.

The previous prime is 22320120961. The next prime is 22320121013. The reversal of 22320121010 is 1012102322.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17287779289 + 5032341721 = 131483^2 + 70939^2 .

It is a super-3 number, since 3×22320121010³ (a number of 32 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22320121013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 253340 + ... + 329880.

Almost surely, 2^22320121010 is an apocalyptic number.

22320121010 is a deficient number, since it is larger than the sum of its proper divisors (22024333606).

22320121010 is a wasteful number, since it uses less digits than its factorization.

22320121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76811 (or 76800 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22320121010 its reverse (1012102322), we get a palindrome (23332223332).

The spelling of 22320121010 in words is "twenty-two billion, three hundred twenty million, one hundred twenty-one thousand, ten".