22021122202001 has 4 divisors (see below), whose sum is σ = 23715054679092. Its totient is φ = 20327189724912.

The previous prime is 22021122201989. The next prime is 22021122202019. The reversal of 22021122202001 is 10020222112022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 852372097600 + 21168750104401 = 923240^2 + 4600951^2 .

It is a cyclic number.

It is not a de Polignac number, because 22021122202001 - 2¹⁴ = 22021122185617 is a prime.

It is a super-3 number, since 3×22021122202001³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22021121202001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 846966238526 + ... + 846966238551.

It is an arithmetic number, because the mean of its divisors is an integer number (5928763669773).

Almost surely, 2^{22021122202001} is an apocalyptic number.

It is an amenable number.

22021122202001 is a deficient number, since it is larger than the sum of its proper divisors (1693932477091).

22021122202001 is a wasteful number, since it uses less digits than its factorization.

22021122202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693932477090.

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

Adding to 22021122202001 its reverse (10020222112022), we get a palindrome (32041344314023).

The spelling of 22021122202001 in words is "twenty-two trillion, twenty-one billion, one hundred twenty-two million, two hundred two thousand, one".