22011201022021 has 8 divisors (see below), whose sum is σ = 22061631449088. Its totient is φ = 21960782214000.

The previous prime is 22011201022007. The next prime is 22011201022039. The reversal of 22011201022021 is 12022010211022.

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 22011201022021 - 2⁵ = 22011201021989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22011201021986 and 22011201022004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011201082021) 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, 894076 + ... + 6694906.

It is an arithmetic number, because the mean of its divisors is an integer number (2757703931136).

Almost surely, 2^{22011201022021} is an apocalyptic number.

It is an amenable number.

22011201022021 is a deficient number, since it is larger than the sum of its proper divisors (50430427067).

22011201022021 is an equidigital number, since it uses as much as digits as its factorization.

22011201022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5809523.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22011201022021 its reverse (12022010211022), we get a palindrome (34033211233043).

The spelling of 22011201022021 in words is "twenty-two trillion, eleven billion, two hundred one million, twenty-two thousand, twenty-one".