103313012121 has 12 divisors (see below), whose sum is σ = 162796261680. Its totient is φ = 62613946680.

The previous prime is 103313012087. The next prime is 103313012123. The reversal of 103313012121 is 121210313301.

103313012121 is a `hidden beast` number, since 10 + 331 + 301 + 2 + 1 + 21 = 666.

It is not a de Polignac number, because 103313012121 - 2¹⁰ = 103313011097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103313012094 and 103313012103.

It is not an unprimeable number, because it can be changed into a prime (103313012123) 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, 521782791 + ... + 521782988.

It is an arithmetic number, because the mean of its divisors is an integer number (13566355140).

Almost surely, 2^103313012121 is an apocalyptic number.

103313012121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103313012121 is a deficient number, since it is larger than the sum of its proper divisors (59483249559).

103313012121 is a wasteful number, since it uses less digits than its factorization.

103313012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043565796 (or 1043565793 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 103313012121 its reverse (121210313301), we get a palindrome (224523325422).

The spelling of 103313012121 in words is "one hundred three billion, three hundred thirteen million, twelve thousand, one hundred twenty-one".