230103202121 has 12 divisors (see below), whose sum is σ = 249449277132. Its totient is φ = 212160626496.

The previous prime is 230103202039. The next prime is 230103202139. The reversal of 230103202121 is 121202301032.

It can be written as a sum of positive squares in 6 ways, for example, as 8204736400 + 221898465721 = 90580^2 + 471061^2 .

It is a de Polignac number, because none of the positive numbers 2^k-230103202121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230103202121.

It is not an unprimeable number, because it can be changed into a prime (230103201121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 628046 + ... + 924471.

It is an arithmetic number, because the mean of its divisors is an integer number (20787439761).

Almost surely, 2^230103202121 is an apocalyptic number.

It is an amenable number.

230103202121 is a deficient number, since it is larger than the sum of its proper divisors (19346075011).

230103202121 is a wasteful number, since it uses less digits than its factorization.

230103202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553420 (or 1553407 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 230103202121 its reverse (121202301032), we get a palindrome (351305503153).

The spelling of 230103202121 in words is "two hundred thirty billion, one hundred three million, two hundred two thousand, one hundred twenty-one".