12103103101 has 4 divisors (see below), whose sum is σ = 12146796892. Its totient is φ = 12059409312.

The previous prime is 12103103081. The next prime is 12103103137. The reversal of 12103103101 is 10130130121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10130130121 = 31 ⋅326778391.

It can be written as a sum of positive squares in 2 ways, for example, as 6119307076 + 5983796025 = 78226^2 + 77355^2 .

It is a cyclic number.

It is not a de Polignac number, because 12103103101 - 2⁵ = 12103103069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103103501) 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, 21846480 + ... + 21847033.

It is an arithmetic number, because the mean of its divisors is an integer number (3036699223).

Almost surely, 2^12103103101 is an apocalyptic number.

It is an amenable number.

12103103101 is a deficient number, since it is larger than the sum of its proper divisors (43693791).

12103103101 is an equidigital number, since it uses as much as digits as its factorization.

12103103101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43693790.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 12103103101 its reverse (10130130121), we get a palindrome (22233233222).

The spelling of 12103103101 in words is "twelve billion, one hundred three million, one hundred three thousand, one hundred one".