1113131102221 has 8 divisors (see below), whose sum is σ = 1121059372320. Its totient is φ = 1105216237872.

The previous prime is 1113131102203. The next prime is 1113131102263. The reversal of 1113131102221 is 1222011313111.

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

It is a cyclic number.

It is not a de Polignac number, because 1113131102221 - 2¹⁷ = 1113130971149 is a prime.

It is a super-2 number, since 2×1113131102221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113131109221) 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, 3184750 + ... + 3516943.

It is an arithmetic number, because the mean of its divisors is an integer number (140132421540).

Almost surely, 2^{1113131102221} is an apocalyptic number.

It is an amenable number.

1113131102221 is a deficient number, since it is larger than the sum of its proper divisors (7928270099).

1113131102221 is a wasteful number, since it uses less digits than its factorization.

1113131102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6702875.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1113131102221 its reverse (1222011313111), we get a palindrome (2335142415332).

The spelling of 1113131102221 in words is "one trillion, one hundred thirteen billion, one hundred thirty-one million, one hundred two thousand, two hundred twenty-one".