22121120010 has 32 divisors (see below), whose sum is σ = 57917115072. Its totient is φ = 5362695680.

The previous prime is 22121119981. The next prime is 22121120023. The reversal of 22121120010 is 1002112122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33516519 + ... + 33517178.

It is an arithmetic number, because the mean of its divisors is an integer number (1809909846).

Almost surely, 2^22121120010 is an apocalyptic number.

22121120010 is an abundant number, since it is smaller than the sum of its proper divisors (35795995062).

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

22121120010 is a wasteful number, since it uses less digits than its factorization.

22121120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67033718.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22121120010 its reverse (1002112122), we get a palindrome (23123232132).

The spelling of 22121120010 in words is "twenty-two billion, one hundred twenty-one million, one hundred twenty thousand, ten".