121333116 has 12 divisors (see below), whose sum is σ = 283110632. Its totient is φ = 40444368.

The previous prime is 121333111. The next prime is 121333139. The reversal of 121333116 is 611333121.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 121333092 and 121333101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121333111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5055535 + ... + 5055558.

Almost surely, 2^121333116 is an apocalyptic number.

It is an amenable number.

121333116 is an abundant number, since it is smaller than the sum of its proper divisors (161777516).

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

121333116 is a wasteful number, since it uses less digits than its factorization.

121333116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10111100 (or 10111098 counting only the distinct ones).

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

The square root of 121333116 is about 11015.1312293590. The cubic root of 121333116 is about 495.0622184826.

Adding to 121333116 its reverse (611333121), we get a palindrome (732666237).

The spelling of 121333116 in words is "one hundred twenty-one million, three hundred thirty-three thousand, one hundred sixteen".