11001110002221 has 4 divisors (see below), whose sum is σ = 14668146669632. Its totient is φ = 7334073334812.

The previous prime is 11001110002219. The next prime is 11001110002247. The reversal of 11001110002221 is 12220001110011.

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 not a de Polignac number, because 11001110002221 - 2¹ = 11001110002219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11001110002197 and 11001110002206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001110002261) 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, 1833518333701 + ... + 1833518333706.

It is an arithmetic number, because the mean of its divisors is an integer number (3667036667408).

Almost surely, 2^{11001110002221} is an apocalyptic number.

It is an amenable number.

11001110002221 is a deficient number, since it is larger than the sum of its proper divisors (3667036667411).

11001110002221 is an equidigital number, since it uses as much as digits as its factorization.

11001110002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3667036667410.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11001110002221 its reverse (12220001110011), we get a palindrome (23221111112232).

The spelling of 11001110002221 in words is "eleven trillion, one billion, one hundred ten million, two thousand, two hundred twenty-one".