103010310121 has 4 divisors (see below), whose sum is σ = 104953900932. Its totient is φ = 101066719312.

The previous prime is 103010310103. The next prime is 103010310131. The reversal of 103010310121 is 121013010301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121013010301 = 61 ⋅1983819841.

It can be written as a sum of positive squares in 2 ways, for example, as 33029427600 + 69980882521 = 181740^2 + 264539^2 .

It is a cyclic number.

It is not a de Polignac number, because 103010310121 - 2¹¹ = 103010308073 is a prime.

It is a super-2 number, since 2×103010310121² (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 (103010310131) 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, 971795326 + ... + 971795431.

It is an arithmetic number, because the mean of its divisors is an integer number (26238475233).

Almost surely, 2^103010310121 is an apocalyptic number.

It is an amenable number.

103010310121 is a deficient number, since it is larger than the sum of its proper divisors (1943590811).

103010310121 is an equidigital number, since it uses as much as digits as its factorization.

103010310121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943590810.

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

Adding to 103010310121 its reverse (121013010301), we get a palindrome (224023320422).

The spelling of 103010310121 in words is "one hundred three billion, ten million, three hundred ten thousand, one hundred twenty-one".