11120201202221 has 4 divisors (see below), whose sum is σ = 11193844918944. Its totient is φ = 11046557485500.

The previous prime is 11120201202199. The next prime is 11120201202241. The reversal of 11120201202221 is 12220210202111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11120201202221 - 2²² = 11120197007917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11120201202221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120201202241) 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, 36821858135 + ... + 36821858436.

It is an arithmetic number, because the mean of its divisors is an integer number (2798461229736).

Almost surely, 2^{11120201202221} is an apocalyptic number.

It is an amenable number.

11120201202221 is a deficient number, since it is larger than the sum of its proper divisors (73643716723).

11120201202221 is an equidigital number, since it uses as much as digits as its factorization.

11120201202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73643716722.

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

Adding to 11120201202221 its reverse (12220210202111), we get a palindrome (23340411404332).

The spelling of 11120201202221 in words is "eleven trillion, one hundred twenty billion, two hundred one million, two hundred two thousand, two hundred twenty-one".