11100220021201 has 4 divisors (see below), whose sum is σ = 11684442127600. Its totient is φ = 10515997914804.

The previous prime is 11100220021153. The next prime is 11100220021213. The reversal of 11100220021201 is 10212002200111.

11100220021201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11100220021201 - 2⁹ = 11100220020689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11100220021271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292111053171 + ... + 292111053208.

It is an arithmetic number, because the mean of its divisors is an integer number (2921110531900).

Almost surely, 2^{11100220021201} is an apocalyptic number.

It is an amenable number.

11100220021201 is a deficient number, since it is larger than the sum of its proper divisors (584222106399).

11100220021201 is an equidigital number, since it uses as much as digits as its factorization.

11100220021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584222106398.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11100220021201 its reverse (10212002200111), we get a palindrome (21312222221312).

The spelling of 11100220021201 in words is "eleven trillion, one hundred billion, two hundred twenty million, twenty-one thousand, two hundred one".