11113221101001 has 8 divisors (see below), whose sum is σ = 14840045123904. Its totient is φ = 7397605572720.

The previous prime is 11113221100999. The next prime is 11113221101009. The reversal of 11113221101001 is 10010112231111.

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

It is not a de Polignac number, because 11113221101001 - 2¹ = 11113221100999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11113221101009) 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, 2802121341 + ... + 2802125306.

It is an arithmetic number, because the mean of its divisors is an integer number (1855005640488).

Almost surely, 2^{11113221101001} is an apocalyptic number.

It is an amenable number.

11113221101001 is a deficient number, since it is larger than the sum of its proper divisors (3726824022903).

11113221101001 is an equidigital number, since it uses as much as digits as its factorization.

11113221101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5604247311.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 11113221101001 its reverse (10010112231111), we get a palindrome (21123333332112).

The spelling of 11113221101001 in words is "eleven trillion, one hundred thirteen billion, two hundred twenty-one million, one hundred one thousand, one".