11221244423101 has 4 divisors (see below), whose sum is σ = 11225205331132. Its totient is φ = 11217283515072.

The previous prime is 11221244423099. The next prime is 11221244423119. The reversal of 11221244423101 is 10132444212211.

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 5099801459076 + 6121442964025 = 2258274^2 + 2474155^2 .

It is a cyclic number.

It is not a de Polignac number, because 11221244423101 - 2¹ = 11221244423099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11221244423101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221244423131) 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, 1980449766 + ... + 1980455431.

It is an arithmetic number, because the mean of its divisors is an integer number (2806301332783).

Almost surely, 2^{11221244423101} is an apocalyptic number.

It is an amenable number.

11221244423101 is a deficient number, since it is larger than the sum of its proper divisors (3960908031).

11221244423101 is an equidigital number, since it uses as much as digits as its factorization.

11221244423101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3960908030.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 11221244423101 its reverse (10132444212211), we get a palindrome (21353688635312).

The spelling of 11221244423101 in words is "eleven trillion, two hundred twenty-one billion, two hundred forty-four million, four hundred twenty-three thousand, one hundred one".