103113122111 has 4 divisors (see below), whose sum is σ = 104803501224. Its totient is φ = 101422743000.

The previous prime is 103113122081. The next prime is 103113122131. The reversal of 103113122111 is 111221311301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103113122111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103113122111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103113122131) 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, 845189465 + ... + 845189586.

It is an arithmetic number, because the mean of its divisors is an integer number (26200875306).

Almost surely, 2^103113122111 is an apocalyptic number.

103113122111 is a deficient number, since it is larger than the sum of its proper divisors (1690379113).

103113122111 is an equidigital number, since it uses as much as digits as its factorization.

103113122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690379112.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 103113122111 its reverse (111221311301), we get a palindrome (214334433412).

The spelling of 103113122111 in words is "one hundred three billion, one hundred thirteen million, one hundred twenty-two thousand, one hundred eleven".