22200121010 has 64 divisors (see below), whose sum is σ = 41281643520. Its totient is φ = 8592030720.

The previous prime is 22200121001. The next prime is 22200121033. The reversal of 22200121010 is 1012100222.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22200120982 and 22200121000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16239347 + ... + 16240713.

It is an arithmetic number, because the mean of its divisors is an integer number (645025680).

Almost surely, 2^22200121010 is an apocalyptic number.

22200121010 is a deficient number, since it is larger than the sum of its proper divisors (19081522510).

22200121010 is a wasteful number, since it uses less digits than its factorization.

22200121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22200121010 its reverse (1012100222), we get a palindrome (23212221232).

The spelling of 22200121010 in words is "twenty-two billion, two hundred million, one hundred twenty-one thousand, ten".