22021212110002 has 16 divisors (see below), whose sum is σ = 37754261047872. Its totient is φ = 9436759403760.

The previous prime is 22021212109957. The next prime is 22021212110003. The reversal of 22021212110002 is 20001121212022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22021212110003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75092524 + ... + 75385207.

It is an arithmetic number, because the mean of its divisors is an integer number (2359641315492).

Almost surely, 2^{22021212110002} is an apocalyptic number.

22021212110002 is a deficient number, since it is larger than the sum of its proper divisors (15733048937870).

22021212110002 is a wasteful number, since it uses less digits than its factorization.

22021212110002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150488193.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22021212110002 its reverse (20001121212022), we get a palindrome (42022333322024).

The spelling of 22021212110002 in words is "twenty-two trillion, twenty-one billion, two hundred twelve million, one hundred ten thousand, two".