22020202021121 has 8 divisors (see below), whose sum is σ = 22034703375360. Its totient is φ = 22005702184752.

The previous prime is 22020202021073. The next prime is 22020202021133. The reversal of 22020202021121 is 12112020202022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22020202021121 - 2²⁶ = 22020134912257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22020202021121.

It is not an unprimeable number, because it can be changed into a prime (22020202021721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29412986 + ... + 30152348.

It is an arithmetic number, because the mean of its divisors is an integer number (2754337921920).

Almost surely, 2^{22020202021121} is an apocalyptic number.

It is an amenable number.

22020202021121 is a deficient number, since it is larger than the sum of its proper divisors (14501354239).

22020202021121 is a wasteful number, since it uses less digits than its factorization.

22020202021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758935.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22020202021121 its reverse (12112020202022), we get a palindrome (34132222223143).

The spelling of 22020202021121 in words is "twenty-two trillion, twenty billion, two hundred two million, twenty-one thousand, one hundred twenty-one".