210111021113 has 4 divisors (see below), whose sum is σ = 240126881280. Its totient is φ = 180095160948.

The previous prime is 210111021077. The next prime is 210111021119. The reversal of 210111021113 is 311120111012.

210111021113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 210111021113 - 2⁶ = 210111021049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210111021119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15007930073 + ... + 15007930086.

It is an arithmetic number, because the mean of its divisors is an integer number (60031720320).

Almost surely, 2^210111021113 is an apocalyptic number.

It is an amenable number.

210111021113 is a deficient number, since it is larger than the sum of its proper divisors (30015860167).

210111021113 is an equidigital number, since it uses as much as digits as its factorization.

210111021113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30015860166.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 210111021113 its reverse (311120111012), we get a palindrome (521231132125).

The spelling of 210111021113 in words is "two hundred ten billion, one hundred eleven million, twenty-one thousand, one hundred thirteen".