103201113121 has 4 divisors (see below), whose sum is σ = 109271766852. Its totient is φ = 97130459392.

The previous prime is 103201113083. The next prime is 103201113133. The reversal of 103201113121 is 121311102301.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 65201069025 + 38000044096 = 255345^2 + 194936^2 .

It is a cyclic number.

It is not a de Polignac number, because 103201113121 - 2²⁹ = 102664242209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103201113095 and 103201113104.

It is not an unprimeable number, because it can be changed into a prime (103201111121) 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, 3035326840 + ... + 3035326873.

It is an arithmetic number, because the mean of its divisors is an integer number (27317941713).

Almost surely, 2^103201113121 is an apocalyptic number.

It is an amenable number.

103201113121 is a deficient number, since it is larger than the sum of its proper divisors (6070653731).

103201113121 is an equidigital number, since it uses as much as digits as its factorization.

103201113121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6070653730.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 103201113121 its reverse (121311102301), we get a palindrome (224512215422).

The spelling of 103201113121 in words is "one hundred three billion, two hundred one million, one hundred thirteen thousand, one hundred twenty-one".