22133344020021 has 192 divisors, whose sum is σ = 37759647744000. Its totient is φ = 12843519667200.

The previous prime is 22133344020017. The next prime is 22133344020061. The reversal of 22133344020021 is 12002044333122.

22133344020021 is a `hidden beast` number, since 2 + 2 + 13 + 3 + 3 + 440 + 200 + 2 + 1 = 666.

It is not a de Polignac number, because 22133344020021 - 2² = 22133344020017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22133344020001) by changing a digit.

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 191 ways as a sum of consecutive naturals, for example, 17305194060 + ... + 17305195338.

It is an arithmetic number, because the mean of its divisors is an integer number (196664832000).

Almost surely, 2^{22133344020021} is an apocalyptic number.

It is an amenable number.

22133344020021 is a deficient number, since it is larger than the sum of its proper divisors (15626303723979).

22133344020021 is a wasteful number, since it uses less digits than its factorization.

22133344020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446 (or 2434 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 22133344020021 its reverse (12002044333122), we get a palindrome (34135388353143).

The spelling of 22133344020021 in words is "twenty-two trillion, one hundred thirty-three billion, three hundred forty-four million, twenty thousand, twenty-one".