1001112221113 has 16 divisors (see below), whose sum is σ = 1010022417856. Its totient is φ = 992247459840.

The previous prime is 1001112221101. The next prime is 1001112221129. The reversal of 1001112221113 is 3111222111001.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1001112221113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001112221513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76141006 + ... + 76154152.

It is an arithmetic number, because the mean of its divisors is an integer number (63126401116).

Almost surely, 2^{1001112221113} is an apocalyptic number.

It is an amenable number.

1001112221113 is a deficient number, since it is larger than the sum of its proper divisors (8910196743).

1001112221113 is a wasteful number, since it uses less digits than its factorization.

1001112221113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14824.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1001112221113 its reverse (3111222111001), we get a palindrome (4112334332114).

The spelling of 1001112221113 in words is "one trillion, one billion, one hundred twelve million, two hundred twenty-one thousand, one hundred thirteen".