110002313021 has 4 divisors (see below), whose sum is σ = 110003852700. Its totient is φ = 110000773344.

The previous prime is 110002313011. The next prime is 110002313039. The reversal of 110002313021 is 120313200011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 120313200011 = 5879 ⋅20464909.

It can be written as a sum of positive squares in 2 ways, for example, as 102455047396 + 7547265625 = 320086^2 + 86875^2 .

It is a cyclic number.

It is not a de Polignac number, because 110002313021 - 2¹⁴ = 110002296637 is a prime.

It is a super-2 number, since 2×110002313021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 110002312987 and 110002313005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110002313011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657176 + ... + 807393.

It is an arithmetic number, because the mean of its divisors is an integer number (27500963175).

Almost surely, 2^110002313021 is an apocalyptic number.

It is an amenable number.

110002313021 is a deficient number, since it is larger than the sum of its proper divisors (1539679).

110002313021 is an equidigital number, since it uses as much as digits as its factorization.

110002313021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539678.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 110002313021 its reverse (120313200011), we get a palindrome (230315513032).

The spelling of 110002313021 in words is "one hundred ten billion, two million, three hundred thirteen thousand, twenty-one".