11120220102221 has 4 divisors (see below), whose sum is σ = 11478936879744. Its totient is φ = 10761503324700.

The previous prime is 11120220102193. The next prime is 11120220102223. The reversal of 11120220102221 is 12220102202111.

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 11120220102221 - 2⁶ = 11120220102157 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 11120220102221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120220102223) 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, 179358388715 + ... + 179358388776.

It is an arithmetic number, because the mean of its divisors is an integer number (2869734219936).

Almost surely, 2^{11120220102221} is an apocalyptic number.

It is an amenable number.

11120220102221 is a deficient number, since it is larger than the sum of its proper divisors (358716777523).

11120220102221 is an equidigital number, since it uses as much as digits as its factorization.

11120220102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358716777522.

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

Adding to 11120220102221 its reverse (12220102202111), we get a palindrome (23340322304332).

The spelling of 11120220102221 in words is "eleven trillion, one hundred twenty billion, two hundred twenty million, one hundred two thousand, two hundred twenty-one".