112001012221 has 8 divisors (see below), whose sum is σ = 133566424704. Its totient is φ = 91826916720.

The previous prime is 112001012203. The next prime is 112001012239. The reversal of 112001012221 is 122210100211.

It is an interprime number because it is at equal distance from previous prime (112001012203) and next prime (112001012239).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 112001012221 - 2¹³ = 112001004029 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 (112001012281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347829070 + ... + 347829391.

It is an arithmetic number, because the mean of its divisors is an integer number (16695803088).

Almost surely, 2^112001012221 is an apocalyptic number.

It is an amenable number.

112001012221 is a deficient number, since it is larger than the sum of its proper divisors (21565412483).

112001012221 is an equidigital number, since it uses as much as digits as its factorization.

112001012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695658491.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 112001012221 its reverse (122210100211), we get a palindrome (234211112432).

The spelling of 112001012221 in words is "one hundred twelve billion, one million, twelve thousand, two hundred twenty-one".