112001102011221 has 4 divisors (see below), whose sum is σ = 149334802681632. Its totient is φ = 74667401340812.

The previous prime is 112001102011193. The next prime is 112001102011301. The reversal of 112001102011221 is 122110201100211.

It is a happy number.

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 not a de Polignac number, because 112001102011221 - 2³¹ = 111998954527573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112001102011221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112001102019221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18666850335201 + ... + 18666850335206.

It is an arithmetic number, because the mean of its divisors is an integer number (37333700670408).

Almost surely, 2^{112001102011221} is an apocalyptic number.

It is an amenable number.

112001102011221 is a deficient number, since it is larger than the sum of its proper divisors (37333700670411).

112001102011221 is an equidigital number, since it uses as much as digits as its factorization.

112001102011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37333700670410.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 112001102011221 its reverse (122110201100211), we get a palindrome (234111303111432).

The spelling of 112001102011221 in words is "one hundred twelve trillion, one billion, one hundred two million, eleven thousand, two hundred twenty-one".