121100101112 has 32 divisors (see below), whose sum is σ = 231921273600. Its totient is φ = 59254733664.

The previous prime is 121100101093. The next prime is 121100101139. The reversal of 121100101112 is 211101001121.

121100101112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 121100101093 and 121100101102.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4731983 + ... + 4757505.

It is an arithmetic number, because the mean of its divisors is an integer number (7247539800).

Almost surely, 2^121100101112 is an apocalyptic number.

It is an amenable number.

121100101112 is a deficient number, since it is larger than the sum of its proper divisors (110821172488).

121100101112 is a wasteful number, since it uses less digits than its factorization.

121100101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38195 (or 38191 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 121100101112 its reverse (211101001121), we get a palindrome (332201102233).

Subtracting 121100101112 from its reverse (211101001121), we obtain a palindrome (90000900009).

The spelling of 121100101112 in words is "one hundred twenty-one billion, one hundred million, one hundred one thousand, one hundred twelve".