10121210113 has 4 divisors (see below), whose sum is σ = 11567097280. Its totient is φ = 8675322948.

The previous prime is 10121210107. The next prime is 10121210167. The reversal of 10121210113 is 31101212101.

It is a happy number.

10121210113 is digitally balanced in base 3, 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 10121210113 - 2⁵ = 10121210081 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10121210093 and 10121210102.

It is not an unprimeable number, because it can be changed into a prime (10121210173) 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, 722943573 + ... + 722943586.

It is an arithmetic number, because the mean of its divisors is an integer number (2891774320).

Almost surely, 2^10121210113 is an apocalyptic number.

It is an amenable number.

10121210113 is a deficient number, since it is larger than the sum of its proper divisors (1445887167).

10121210113 is an equidigital number, since it uses as much as digits as its factorization.

10121210113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445887166.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10121210113 its reverse (31101212101), we get a palindrome (41222422214).

The spelling of 10121210113 in words is "ten billion, one hundred twenty-one million, two hundred ten thousand, one hundred thirteen".