112002121220 has 24 divisors (see below), whose sum is σ = 256586678208. Its totient is φ = 40728044000.

The previous prime is 112002121211. The next prime is 112002121333. The reversal of 112002121220 is 22121200211.

112002121220 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 = 112002121195 and 112002121204.

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, 254550056 + ... + 254550495.

It is an arithmetic number, because the mean of its divisors is an integer number (10691111592).

Almost surely, 2^112002121220 is an apocalyptic number.

112002121220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112002121220 is an abundant number, since it is smaller than the sum of its proper divisors (144584556988).

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

112002121220 is a wasteful number, since it uses less digits than its factorization.

112002121220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509100571 (or 509100569 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 112002121220 its reverse (22121200211), we get a palindrome (134123321431).

The spelling of 112002121220 in words is "one hundred twelve billion, two million, one hundred twenty-one thousand, two hundred twenty".