11220002200021 has 8 divisors (see below), whose sum is σ = 11880032123520. Its totient is φ = 10559975587008.

The previous prime is 11220002199979. The next prime is 11220002200061. The reversal of 11220002200021 is 12000220002211.

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 11220002200021 - 2⁹ = 11220002199509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11220002199974 and 11220002200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220002200061) 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, 10891770 + ... + 11877316.

It is an arithmetic number, because the mean of its divisors is an integer number (1485004015440).

Almost surely, 2^{11220002200021} is an apocalyptic number.

It is an amenable number.

11220002200021 is a deficient number, since it is larger than the sum of its proper divisors (660029923499).

11220002200021 is an equidigital number, since it uses as much as digits as its factorization.

11220002200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655243.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 11220002200021 its reverse (12000220002211), we get a palindrome (23220222202232).

The spelling of 11220002200021 in words is "eleven trillion, two hundred twenty billion, two million, two hundred thousand, twenty-one".