11220303111001 has 4 divisors (see below), whose sum is σ = 11221686463104. Its totient is φ = 11218919758900.

The previous prime is 11220303110953. The next prime is 11220303111011. The reversal of 11220303111001 is 10011130302211.

It is a happy number.

11220303111001 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 a de Polignac number, because none of the positive numbers 2^k-11220303111001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11220303111011) 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, 691663885 + ... + 691680106.

It is an arithmetic number, because the mean of its divisors is an integer number (2805421615776).

Almost surely, 2^{11220303111001} is an apocalyptic number.

It is an amenable number.

11220303111001 is a deficient number, since it is larger than the sum of its proper divisors (1383352103).

11220303111001 is an equidigital number, since it uses as much as digits as its factorization.

11220303111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383352102.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11220303111001 its reverse (10011130302211), we get a palindrome (21231433413212).

The spelling of 11220303111001 in words is "eleven trillion, two hundred twenty billion, three hundred three million, one hundred eleven thousand, one".