22121005606626 has 32 divisors (see below), whose sum is σ = 47147823249408. Its totient is φ = 6903008839760.

The previous prime is 22121005606607. The next prime is 22121005606627. The reversal of 22121005606626 is 62660650012122.

It is not an unprimeable number, because it can be changed into a prime (22121005606627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1705282260 + ... + 1705295231.

It is an arithmetic number, because the mean of its divisors is an integer number (1473369476544).

Almost surely, 2^{22121005606626} is an apocalyptic number.

22121005606626 is an abundant number, since it is smaller than the sum of its proper divisors (25026817642782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22121005606626 is a wasteful number, since it uses less digits than its factorization.

22121005606626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410577566.

The product of its (nonzero) digits is 103680, while the sum is 39.

Adding to 22121005606626 its reverse (62660650012122), we get a palindrome (84781655618748).

The spelling of 22121005606626 in words is "twenty-two trillion, one hundred twenty-one billion, five million, six hundred six thousand, six hundred twenty-six".