11220122000221 has 8 divisors (see below), whose sum is σ = 11241001497600. Its totient is φ = 11199254301840.

The previous prime is 11220122000137. The next prime is 11220122000231. The reversal of 11220122000221 is 12200022102211.

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 11220122000221 - 2²³ = 11220113611613 is a prime.

It is a super-2 number, since 2×11220122000221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11220122000195 and 11220122000204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220122000231) 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, 1044961 + ... + 4850998.

It is an arithmetic number, because the mean of its divisors is an integer number (1405125187200).

Almost surely, 2^{11220122000221} is an apocalyptic number.

It is an amenable number.

11220122000221 is a deficient number, since it is larger than the sum of its proper divisors (20879497379).

11220122000221 is an equidigital number, since it uses as much as digits as its factorization.

11220122000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5899499.

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

Adding to 11220122000221 its reverse (12200022102211), we get a palindrome (23420144102432).

The spelling of 11220122000221 in words is "eleven trillion, two hundred twenty billion, one hundred twenty-two million, two hundred twenty-one", and thus it is an aban number.