11113030022221 has 4 divisors (see below), whose sum is σ = 11697926339200. Its totient is φ = 10528133705244.

The previous prime is 11113030022209. The next prime is 11113030022233. The reversal of 11113030022221 is 12222003031111.

11113030022221 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 an interprime number because it is at equal distance from previous prime (11113030022209) and next prime (11113030022233).

It is not a de Polignac number, because 11113030022221 - 2¹¹ = 11113030020173 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 584896316959 = 11113030022221 / (1 + 1 + 1 + 1 + 3 + 0 + 3 + 0 + 0 + 2 + 2 + 2 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11113030022201) 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, 292448158461 + ... + 292448158498.

It is an arithmetic number, because the mean of its divisors is an integer number (2924481584800).

Almost surely, 2^{11113030022221} is an apocalyptic number.

It is an amenable number.

11113030022221 is a deficient number, since it is larger than the sum of its proper divisors (584896316979).

11113030022221 is an equidigital number, since it uses as much as digits as its factorization.

11113030022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584896316978.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11113030022221 its reverse (12222003031111), we get a palindrome (23335033053332).

The spelling of 11113030022221 in words is "eleven trillion, one hundred thirteen billion, thirty million, twenty-two thousand, two hundred twenty-one".