1113221113011 has 80 divisors (see below), whose sum is σ = 2099813912064. Its totient is φ = 572676293376.

The previous prime is 1113221113009. The next prime is 1113221113021. The reversal of 1113221113011 is 1103111223111.

It is not a de Polignac number, because 1113221113011 - 2¹ = 1113221113009 is a prime.

It is a super-2 number, since 2×1113221113011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1113221113001) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2288985 + ... + 2732378.

Almost surely, 2^{1113221113011} is an apocalyptic number.

1113221113011 is a deficient number, since it is larger than the sum of its proper divisors (986592799053).

1113221113011 is a wasteful number, since it uses less digits than its factorization.

1113221113011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5021422 (or 5021413 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 1113221113011 its reverse (1103111223111), we get a palindrome (2216332336122).

The spelling of 1113221113011 in words is "one trillion, one hundred thirteen billion, two hundred twenty-one million, one hundred thirteen thousand, eleven".