121100116 has 6 divisors (see below), whose sum is σ = 211925210. Its totient is φ = 60550056.

The previous prime is 121100107. The next prime is 121100117. The reversal of 121100116 is 611001121.

It can be written as a sum of positive squares in only one way, i.e., 121088016 + 12100 = 11004^2 + 110^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121100096 and 121100105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121100117) 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 as a sum of consecutive naturals, namely, 15137511 + ... + 15137518.

Almost surely, 2^121100116 is an apocalyptic number.

It is an amenable number.

121100116 is a deficient number, since it is larger than the sum of its proper divisors (90825094).

121100116 is a wasteful number, since it uses less digits than its factorization.

121100116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30275033 (or 30275031 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 121100116 is about 11004.5497863384. The cubic root of 121100116 is about 494.7451206282.

Adding to 121100116 its reverse (611001121), we get a palindrome (732101237).

The spelling of 121100116 in words is "one hundred twenty-one million, one hundred thousand, one hundred sixteen".