112002020021021 has 16 divisors (see below), whose sum is σ = 120698730593280. Its totient is φ = 103316918454720.

The previous prime is 112002020020939. The next prime is 112002020021027. The reversal of 112002020021021 is 120120020200211.

It is a cyclic number.

It is not a de Polignac number, because 112002020021021 - 2¹⁸ = 112002019758877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112002020020987 and 112002020021005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112002020021027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207252356 + ... + 207792066.

It is an arithmetic number, because the mean of its divisors is an integer number (7543670662080).

Almost surely, 2^{112002020021021} is an apocalyptic number.

It is an amenable number.

112002020021021 is a deficient number, since it is larger than the sum of its proper divisors (8696710572259).

112002020021021 is a wasteful number, since it uses less digits than its factorization.

112002020021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550436.

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

Adding to 112002020021021 its reverse (120120020200211), we get a palindrome (232122040221232).

The spelling of 112002020021021 in words is "one hundred twelve trillion, two billion, twenty million, twenty-one thousand, twenty-one".