121101230112 has 48 divisors (see below), whose sum is σ = 318073758912. Its totient is φ = 40343834880.

The previous prime is 121101230059. The next prime is 121101230161. The reversal of 121101230112 is 211032101121.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 121101230091 and 121101230100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195148 + ... + 529419.

It is an arithmetic number, because the mean of its divisors is an integer number (6626536644).

Almost surely, 2^121101230112 is an apocalyptic number.

121101230112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121101230112 is an abundant number, since it is smaller than the sum of its proper divisors (196972528800).

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

121101230112 is a wasteful number, since it uses less digits than its factorization.

121101230112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726321 (or 726313 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 121101230112 its reverse (211032101121), we get a palindrome (332133331233).

The spelling of 121101230112 in words is "one hundred twenty-one billion, one hundred one million, two hundred thirty thousand, one hundred twelve".