103111123101 has 64 divisors (see below), whose sum is σ = 166174433280. Its totient is φ = 55619343360.

The previous prime is 103111123039. The next prime is 103111123201. The reversal of 103111123101 is 101321111301.

It is not a de Polignac number, because 103111123101 - 2⁷ = 103111122973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103111123201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47713461 + ... + 47715621.

It is an arithmetic number, because the mean of its divisors is an integer number (2596475520).

Almost surely, 2^103111123101 is an apocalyptic number.

It is an amenable number.

103111123101 is a deficient number, since it is larger than the sum of its proper divisors (63063310179).

103111123101 is a wasteful number, since it uses less digits than its factorization.

103111123101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3914.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 103111123101 its reverse (101321111301), we get a palindrome (204432234402).

The spelling of 103111123101 in words is "one hundred three billion, one hundred eleven million, one hundred twenty-three thousand, one hundred one".