121103303121 has 32 divisors (see below), whose sum is σ = 199964188800. Its totient is φ = 71987097600.

The previous prime is 121103303071. The next prime is 121103303137. The reversal of 121103303121 is 121303301121.

121103303121 is a `hidden beast` number, since 1 + 21 + 1 + 0 + 330 + 312 + 1 = 666.

It is not a de Polignac number, because 121103303121 - 2¹¹ = 121103301073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121103303094 and 121103303103.

It is not an unprimeable number, because it can be changed into a prime (121103303171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6934480 + ... + 6951921.

It is an arithmetic number, because the mean of its divisors is an integer number (6248880900).

Almost surely, 2^121103303121 is an apocalyptic number.

It is an amenable number.

121103303121 is a deficient number, since it is larger than the sum of its proper divisors (78860885679).

121103303121 is a wasteful number, since it uses less digits than its factorization.

121103303121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13886446 (or 13886440 counting only the distinct ones).

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

Adding to 121103303121 its reverse (121303301121), we get a palindrome (242406604242).

The spelling of 121103303121 in words is "one hundred twenty-one billion, one hundred three million, three hundred three thousand, one hundred twenty-one".