11112103302221 has 8 divisors (see below), whose sum is σ = 11363853991320. Its totient is φ = 10861911441472.

The previous prime is 11112103302197. The next prime is 11112103302257. The reversal of 11112103302221 is 12220330121111.

11112103302221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2287708900 + 11109815593321 = 47830^2 + 3333139^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11112103302221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11112103302193 and 11112103302202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112103302121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389692670 + ... + 389721183.

It is an arithmetic number, because the mean of its divisors is an integer number (1420481748915).

Almost surely, 2^{11112103302221} is an apocalyptic number.

It is an amenable number.

11112103302221 is a deficient number, since it is larger than the sum of its proper divisors (251750689099).

11112103302221 is an equidigital number, since it uses as much as digits as its factorization.

11112103302221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779414175.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 11112103302221 its reverse (12220330121111), we get a palindrome (23332433423332).

The spelling of 11112103302221 in words is "eleven trillion, one hundred twelve billion, one hundred three million, three hundred two thousand, two hundred twenty-one".