112001002120221 has 16 divisors (see below), whose sum is σ = 151785453901824. Its totient is φ = 73445205906864.

The previous prime is 112001002120193. The next prime is 112001002120331. The reversal of 112001002120221 is 122021200100211.

It is not a de Polignac number, because 112001002120221 - 2¹⁸ = 112001001858077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112001002120221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112001002121221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407782861 + ... + 408057426.

It is an arithmetic number, because the mean of its divisors is an integer number (9486590868864).

Almost surely, 2^{112001002120221} is an apocalyptic number.

It is an amenable number.

112001002120221 is a deficient number, since it is larger than the sum of its proper divisors (39784451781603).

112001002120221 is an equidigital number, since it uses as much as digits as its factorization.

112001002120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815841040.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 112001002120221 its reverse (122021200100211), we get a palindrome (234022202220432).

The spelling of 112001002120221 in words is "one hundred twelve trillion, one billion, two million, one hundred twenty thousand, two hundred twenty-one".