11022221120021 has 8 divisors (see below), whose sum is σ = 11231501460000. Its totient is φ = 10813689547920.

The previous prime is 11022221119993. The next prime is 11022221120023. The reversal of 11022221120021 is 12002112222011.

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 11022221120021 - 2³⁸ = 10747343213077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022221120023) 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, 187162250 + ... + 187221131.

It is an arithmetic number, because the mean of its divisors is an integer number (1403937682500).

Almost surely, 2^{11022221120021} is an apocalyptic number.

It is an amenable number.

11022221120021 is a deficient number, since it is larger than the sum of its proper divisors (209280339979).

11022221120021 is an equidigital number, since it uses as much as digits as its factorization.

11022221120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374383939.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11022221120021 its reverse (12002112222011), we get a palindrome (23024333342032).

The spelling of 11022221120021 in words is "eleven trillion, twenty-two billion, two hundred twenty-one million, one hundred twenty thousand, twenty-one".