121333103112 has 64 divisors (see below), whose sum is σ = 326700823680. Its totient is φ = 37329288192.

The previous prime is 121333103083. The next prime is 121333103113. The reversal of 121333103112 is 211301333121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121333103113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4481488 + ... + 4508480.

It is an arithmetic number, because the mean of its divisors is an integer number (5104700370).

Almost surely, 2^121333103112 is an apocalyptic number.

121333103112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121333103112 is an abundant number, since it is smaller than the sum of its proper divisors (205367720568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121333103112 is a wasteful number, since it uses less digits than its factorization.

121333103112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41422 (or 41418 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 121333103112 its reverse (211301333121), we get a palindrome (332634436233).

The spelling of 121333103112 in words is "one hundred twenty-one billion, three hundred thirty-three million, one hundred three thousand, one hundred twelve".