11120002020221 has 4 divisors (see below), whose sum is σ = 11120017309500. Its totient is φ = 11119986730944.

The previous prime is 11120002020191. The next prime is 11120002020233. The reversal of 11120002020221 is 12202020002111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9235435908196 + 1884566112025 = 3038986^2 + 1372795^2 .

It is a cyclic number.

It is not a de Polignac number, because 11120002020221 - 2⁶ = 11120002020157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11120002020196 and 11120002020205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120002020241) 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 3 ways as a sum of consecutive naturals, for example, 6496166 + ... + 8027463.

It is an arithmetic number, because the mean of its divisors is an integer number (2780004327375).

Almost surely, 2^{11120002020221} is an apocalyptic number.

It is an amenable number.

11120002020221 is a deficient number, since it is larger than the sum of its proper divisors (15289279).

11120002020221 is an equidigital number, since it uses as much as digits as its factorization.

11120002020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15289278.

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

Adding to 11120002020221 its reverse (12202020002111), we get a palindrome (23322022022332).

The spelling of 11120002020221 in words is "eleven trillion, one hundred twenty billion, two million, twenty thousand, two hundred twenty-one".