11111244211111 has 8 divisors (see below), whose sum is σ = 12121385158800. Its totient is φ = 10101107903040.

The previous prime is 11111244211063. The next prime is 11111244211141.

11111244211111 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 11111244211111 - 2²³ = 11111235822503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111244211141) 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, 5520325 + ... + 7259233.

It is an arithmetic number, because the mean of its divisors is an integer number (1515173144850).

Almost surely, 2^{11111244211111} is an apocalyptic number.

11111244211111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11111244211111 is a deficient number, since it is larger than the sum of its proper divisors (1010140947689).

11111244211111 is a wasteful number, since it uses less digits than its factorization.

11111244211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2319809.

The product of its digits is 64, while the sum is 22.

It can be divided in two parts, 1111124 and 4211111, that added together give a palindrome (5322235).

The spelling of 11111244211111 in words is "eleven trillion, one hundred eleven billion, two hundred forty-four million, two hundred eleven thousand, one hundred eleven".