112001010221 has 4 divisors (see below), whose sum is σ = 112396773792. Its totient is φ = 111605246652.

The previous prime is 112001010211. The next prime is 112001010239. The reversal of 112001010221 is 122010100211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112001010221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112001010211) 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 3 ways as a sum of consecutive naturals, for example, 197881361 + ... + 197881926.

It is an arithmetic number, because the mean of its divisors is an integer number (28099193448).

Almost surely, 2^112001010221 is an apocalyptic number.

It is an amenable number.

112001010221 is a deficient number, since it is larger than the sum of its proper divisors (395763571).

112001010221 is an equidigital number, since it uses as much as digits as its factorization.

112001010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395763570.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 112001010221 its reverse (122010100211), we get a palindrome (234011110432).

The spelling of 112001010221 in words is "one hundred twelve billion, one million, ten thousand, two hundred twenty-one".