103333121322121 has 4 divisors (see below), whose sum is σ = 103333560114244. Its totient is φ = 103332682530000.

The previous prime is 103333121322073. The next prime is 103333121322149. The reversal of 103333121322121 is 121223121333301.

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 26479144432521 + 76853976889600 = 5145789^2 + 8766640^2 .

It is a cyclic number.

It is not a de Polignac number, because 103333121322121 - 2²⁹ = 103332584451209 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 103333121322121.

It is not an unprimeable number, because it can be changed into a prime (103333121322721) 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, 219042630 + ... + 219513871.

It is an arithmetic number, because the mean of its divisors is an integer number (25833390028561).

Almost surely, 2^{103333121322121} is an apocalyptic number.

It is an amenable number.

103333121322121 is a deficient number, since it is larger than the sum of its proper divisors (438792123).

103333121322121 is an equidigital number, since it uses as much as digits as its factorization.

103333121322121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438792122.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 103333121322121 its reverse (121223121333301), we get a palindrome (224556242655422).

The spelling of 103333121322121 in words is "one hundred three trillion, three hundred thirty-three billion, one hundred twenty-one million, three hundred twenty-two thousand, one hundred twenty-one".