22011201110021 has 8 divisors (see below), whose sum is σ = 22475591024664. Its totient is φ = 21551212995840.

The previous prime is 22011201109951. The next prime is 22011201110083. The reversal of 22011201110021 is 12001110211022.

It can be written as a sum of positive squares in 4 ways, for example, as 10234560722500 + 11776640387521 = 3199150^2 + 3431711^2 .

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 22011201110021 - 2¹⁸ = 22011200847877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22011201109978 and 22011201110005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011201140021) 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, 1100440010 + ... + 1100460011.

It is an arithmetic number, because the mean of its divisors is an integer number (2809448878083).

Almost surely, 2^{22011201110021} is an apocalyptic number.

It is an amenable number.

22011201110021 is a deficient number, since it is larger than the sum of its proper divisors (464389914643).

22011201110021 is a wasteful number, since it uses less digits than its factorization.

22011201110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2200900231.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22011201110021 its reverse (12001110211022), we get a palindrome (34012311321043).

The spelling of 22011201110021 in words is "twenty-two trillion, eleven billion, two hundred one million, one hundred ten thousand, twenty-one".