22011000221021 has 8 divisors (see below), whose sum is σ = 25156951774080. Its totient is φ = 18865429405488.

The previous prime is 22011000220999. The next prime is 22011000221047. The reversal of 22011000221021 is 12012200011022.

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 22011000221021 - 2¹⁸ = 22010999958877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22011000220987 and 22011000221005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011000221071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95060486 + ... + 95291751.

It is an arithmetic number, because the mean of its divisors is an integer number (3144618971760).

Almost surely, 2^{22011000221021} is an apocalyptic number.

It is an amenable number.

22011000221021 is a deficient number, since it is larger than the sum of its proper divisors (3145951553059).

22011000221021 is a wasteful number, since it uses less digits than its factorization.

22011000221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190368763.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22011000221021 its reverse (12012200011022), we get a palindrome (34023200232043).

The spelling of 22011000221021 in words is "twenty-two trillion, eleven billion, two hundred twenty-one thousand, twenty-one".