112002120221 has 24 divisors (see below), whose sum is σ = 122011427520. Its totient is φ = 102759641600.

The previous prime is 112002120179. The next prime is 112002120277. The reversal of 112002120221 is 122021200211.

It is not a de Polignac number, because 112002120221 - 2¹⁸ = 112001858077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112002120196 and 112002120205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112002120281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1795526 + ... + 1856856.

It is an arithmetic number, because the mean of its divisors is an integer number (5083809480).

Almost surely, 2^112002120221 is an apocalyptic number.

It is an amenable number.

112002120221 is a deficient number, since it is larger than the sum of its proper divisors (10009307299).

112002120221 is an equidigital number, since it uses as much as digits as its factorization.

112002120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61525 (or 61508 counting only the distinct ones).

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

Adding to 112002120221 its reverse (122021200211), we get a palindrome (234023320432).

The spelling of 112002120221 in words is "one hundred twelve billion, two million, one hundred twenty thousand, two hundred twenty-one".