22021321010 has 32 divisors (see below), whose sum is σ = 42710818752. Its totient is φ = 8126504640.

The previous prime is 22021321001. The next prime is 22021321033. The reversal of 22021321010 is 1012312022.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 197345 + ... + 288075.

It is an arithmetic number, because the mean of its divisors is an integer number (1334713086).

Almost surely, 2^22021321010 is an apocalyptic number.

22021321010 is a deficient number, since it is larger than the sum of its proper divisors (20689497742).

22021321010 is a wasteful number, since it uses less digits than its factorization.

22021321010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92618.

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

Adding to 22021321010 its reverse (1012312022), we get a palindrome (23033633032).

The spelling of 22021321010 in words is "twenty-two billion, twenty-one million, three hundred twenty-one thousand, ten".