22000121021002 has 16 divisors (see below), whose sum is σ = 33260935447872. Its totient is φ = 10913327668800.

The previous prime is 22000121020993. The next prime is 22000121021003. The reversal of 22000121021002 is 20012012100022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22000121021003) 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, 46044463 + ... + 46519810.

It is an arithmetic number, because the mean of its divisors is an integer number (2078808465492).

Almost surely, 2^{22000121021002} is an apocalyptic number.

22000121021002 is a deficient number, since it is larger than the sum of its proper divisors (11260814426870).

22000121021002 is a wasteful number, since it uses less digits than its factorization.

22000121021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92565213.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22000121021002 its reverse (20012012100022), we get a palindrome (42012133121024).

The spelling of 22000121021002 in words is "twenty-two trillion, one hundred twenty-one million, twenty-one thousand, two".