103110030121 has 6 divisors (see below), whose sum is σ = 119944320810. Its totient is φ = 88380025776.

The previous prime is 103110030119. The next prime is 103110030131. The reversal of 103110030121 is 121030011301.

It can be written as a sum of positive squares in only one way, i.e., 84093620121 + 19016410000 = 289989^2 + 137900^2 .

It is not a de Polignac number, because 103110030121 - 2¹ = 103110030119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103110030131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1052143116 + ... + 1052143213.

It is an arithmetic number, because the mean of its divisors is an integer number (19990720135).

Almost surely, 2^103110030121 is an apocalyptic number.

It is an amenable number.

103110030121 is a deficient number, since it is larger than the sum of its proper divisors (16834290689).

103110030121 is an equidigital number, since it uses as much as digits as its factorization.

103110030121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104286343 (or 2104286336 counting only the distinct ones).

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

Adding to 103110030121 its reverse (121030011301), we get a palindrome (224140041422).

The spelling of 103110030121 in words is "one hundred three billion, one hundred ten million, thirty thousand, one hundred twenty-one".