112021010121220 has 24 divisors (see below), whose sum is σ = 240249315325824. Its totient is φ = 43855033749216.

The previous prime is 112021010121211. The next prime is 112021010121247. The reversal of 112021010121220 is 22121010120211.

It is a junction number, because it is equal to n+sod(n) for n = 112021010121194 and 112021010121203.

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, 59585642742 + ... + 59585644621.

It is an arithmetic number, because the mean of its divisors is an integer number (10010388138576).

Almost surely, 2^{112021010121220} is an apocalyptic number.

112021010121220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112021010121220 is an abundant number, since it is smaller than the sum of its proper divisors (128228305204604).

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

112021010121220 is a wasteful number, since it uses less digits than its factorization.

112021010121220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119171287419 (or 119171287417 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112021010121220 its reverse (22121010120211), we get a palindrome (134142020241431).

The spelling of 112021010121220 in words is "one hundred twelve trillion, twenty-one billion, ten million, one hundred twenty-one thousand, two hundred twenty".