22022021221210 has 32 divisors (see below), whose sum is σ = 40855578144192. Its totient is φ = 8541235797120.

The previous prime is 22022021221091. The next prime is 22022021221229. The reversal of 22022021221210 is 1212212022022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164694664 + ... + 164828323.

It is an arithmetic number, because the mean of its divisors is an integer number (1276736817006).

Almost surely, 2^{22022021221210} is an apocalyptic number.

22022021221210 is a deficient number, since it is larger than the sum of its proper divisors (18833556922982).

22022021221210 is a wasteful number, since it uses less digits than its factorization.

22022021221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329523198.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22022021221210 its reverse (1212212022022), we get a palindrome (23234233243232).

The spelling of 22022021221210 in words is "twenty-two trillion, twenty-two billion, twenty-one million, two hundred twenty-one thousand, two hundred ten".