103313210212121 has 32 divisors (see below), whose sum is σ = 131348471267328. Its totient is φ = 79050033241920.

The previous prime is 103313210212109. The next prime is 103313210212151. The reversal of 103313210212121 is 121212012313301.

It is a happy number.

It is not a de Polignac number, because 103313210212121 - 2³⁴ = 103296030342937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103313210212151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8806565 + ... + 16857698.

It is an arithmetic number, because the mean of its divisors is an integer number (4104639727104).

Almost surely, 2^{103313210212121} is an apocalyptic number.

It is an amenable number.

103313210212121 is a deficient number, since it is larger than the sum of its proper divisors (28035261055207).

103313210212121 is a wasteful number, since it uses less digits than its factorization.

103313210212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25665741.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 103313210212121 its reverse (121212012313301), we get a palindrome (224525222525422).

The spelling of 103313210212121 in words is "one hundred three trillion, three hundred thirteen billion, two hundred ten million, two hundred twelve thousand, one hundred twenty-one".