2113110321 has 16 divisors (see below), whose sum is σ = 3239737344. Its totient is φ = 1200081744.

The previous prime is 2113110299. The next prime is 2113110323. The reversal of 2113110321 is 1230113112.

It is a happy number.

It is not a de Polignac number, because 2113110321 - 2¹³ = 2113102129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2113110321.

It is not an unprimeable number, because it can be changed into a prime (2113110323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305241 + ... + 312086.

It is an arithmetic number, because the mean of its divisors is an integer number (202483584).

Almost surely, 2^2113110321 is an apocalyptic number.

2113110321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2113110321 is a deficient number, since it is larger than the sum of its proper divisors (1126627023).

2113110321 is a wasteful number, since it uses less digits than its factorization.

2113110321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617500.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2113110321 is about 45968.5797148444. The cubic root of 2113110321 is about 1283.2385280090.

Adding to 2113110321 its reverse (1230113112), we get a palindrome (3343223433).

The spelling of 2113110321 in words is "two billion, one hundred thirteen million, one hundred ten thousand, three hundred twenty-one".