1111223044011 has 8 divisors (see below), whose sum is σ = 1559611289920. Its totient is φ = 701825080392.

The previous prime is 1111223044007. The next prime is 1111223044013. The reversal of 1111223044011 is 1104403221111.

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

It is not a de Polignac number, because 1111223044011 - 2² = 1111223044007 is a prime.

It is a super-3 number, since 3×1111223044011³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111223044013) 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, 9747570505 + ... + 9747570618.

It is an arithmetic number, because the mean of its divisors is an integer number (194951411240).

Almost surely, 2^{1111223044011} is an apocalyptic number.

1111223044011 is a deficient number, since it is larger than the sum of its proper divisors (448388245909).

1111223044011 is a wasteful number, since it uses less digits than its factorization.

1111223044011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19495141145.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 1111223044011 its reverse (1104403221111), we get a palindrome (2215626265122).

The spelling of 1111223044011 in words is "one trillion, one hundred eleven billion, two hundred twenty-three million, forty-four thousand, eleven".