1110002013221 has 8 divisors (see below), whose sum is σ = 1113588257688. Its totient is φ = 1106419840000.

The previous prime is 1110002013167. The next prime is 1110002013233. The reversal of 1110002013221 is 1223102000111.

It can be written as a sum of positive squares in 4 ways, for example, as 485127573121 + 624874440100 = 696511^2 + 790490^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1110002013221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1110002013196 and 1110002013205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110002013251) 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, 471170 + ... + 1562691.

It is an arithmetic number, because the mean of its divisors is an integer number (139198532211).

Almost surely, 2^{1110002013221} is an apocalyptic number.

It is an amenable number.

1110002013221 is a deficient number, since it is larger than the sum of its proper divisors (3586244467).

1110002013221 is a wasteful number, since it uses less digits than its factorization.

1110002013221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035623.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1110002013221 its reverse (1223102000111), we get a palindrome (2333104013332).

The spelling of 1110002013221 in words is "one trillion, one hundred ten billion, two million, thirteen thousand, two hundred twenty-one".