21112020000113 has 4 divisors (see below), whose sum is σ = 24128022857280. Its totient is φ = 18096017142948.

The previous prime is 21112020000047. The next prime is 21112020000179. The reversal of 21112020000113 is 31100002021112.

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 an interprime number because it is at equal distance from previous prime (21112020000047) and next prime (21112020000179).

It is a cyclic number.

It is not a de Polignac number, because 21112020000113 - 2³⁴ = 21094840130929 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 (21112020002113) 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, 1508001428573 + ... + 1508001428586.

It is an arithmetic number, because the mean of its divisors is an integer number (6032005714320).

Almost surely, 2^{21112020000113} is an apocalyptic number.

It is an amenable number.

21112020000113 is a deficient number, since it is larger than the sum of its proper divisors (3016002857167).

21112020000113 is an equidigital number, since it uses as much as digits as its factorization.

21112020000113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3016002857166.

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

Adding to 21112020000113 its reverse (31100002021112), we get a palindrome (52212022021225).

The spelling of 21112020000113 in words is "twenty-one trillion, one hundred twelve billion, twenty million, one hundred thirteen", and thus it is an aban number.