11111323322201 has 4 divisors (see below), whose sum is σ = 11124726608100. Its totient is φ = 11097920036304.

The previous prime is 11111323322191. The next prime is 11111323322219. The reversal of 11111323322201 is 10222332311111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8333354430025 + 2777968892176 = 2886755^2 + 1666724^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11111323322201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11111323322221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6701641706 + ... + 6701643363.

It is an arithmetic number, because the mean of its divisors is an integer number (2781181652025).

Almost surely, 2^{11111323322201} is an apocalyptic number.

It is an amenable number.

11111323322201 is a deficient number, since it is larger than the sum of its proper divisors (13403285899).

11111323322201 is an equidigital number, since it uses as much as digits as its factorization.

11111323322201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13403285898.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 11111323322201 its reverse (10222332311111), we get a palindrome (21333655633312).

The spelling of 11111323322201 in words is "eleven trillion, one hundred eleven billion, three hundred twenty-three million, three hundred twenty-two thousand, two hundred one".