21112330002113 has 4 divisors (see below), whose sum is σ = 24128377145280. Its totient is φ = 18096282858948.

The previous prime is 21112330002097. The next prime is 21112330002157. The reversal of 21112330002113 is 31120003321112.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 21112330002113 - 2⁴ = 21112330002097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21112330002163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1508023571573 + ... + 1508023571586.

It is an arithmetic number, because the mean of its divisors is an integer number (6032094286320).

Almost surely, 2^{21112330002113} is an apocalyptic number.

It is an amenable number.

21112330002113 is a deficient number, since it is larger than the sum of its proper divisors (3016047143167).

21112330002113 is an equidigital number, since it uses as much as digits as its factorization.

21112330002113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3016047143166.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 21112330002113 its reverse (31120003321112), we get a palindrome (52232333323225).

The spelling of 21112330002113 in words is "twenty-one trillion, one hundred twelve billion, three hundred thirty million, two thousand, one hundred thirteen".