105122135113 has 4 divisors (see below), whose sum is σ = 105123962320. Its totient is φ = 105120307908.

The previous prime is 105122135071. The next prime is 105122135147. The reversal of 105122135113 is 311531221501.

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 a de Polignac number, because none of the positive numbers 2^k-105122135113 is a prime.

It is a super-2 number, since 2×105122135113² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105122175113) 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, 824403 + ... + 943336.

It is an arithmetic number, because the mean of its divisors is an integer number (26280990580).

Almost surely, 2^105122135113 is an apocalyptic number.

It is an amenable number.

105122135113 is a deficient number, since it is larger than the sum of its proper divisors (1827207).

105122135113 is an equidigital number, since it uses as much as digits as its factorization.

105122135113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827206.

The product of its (nonzero) digits is 900, while the sum is 25.

Adding to 105122135113 its reverse (311531221501), we get a palindrome (416653356614).

The spelling of 105122135113 in words is "one hundred five billion, one hundred twenty-two million, one hundred thirty-five thousand, one hundred thirteen".