112111201200221 has 4 divisors (see below), whose sum is σ = 112863625369500. Its totient is φ = 111358777030944.

The previous prime is 112111201200203. The next prime is 112111201200223. The reversal of 112111201200221 is 122002102111211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32921029159225 + 79190172040996 = 5737685^2 + 8898886^2 .

It is a cyclic number.

It is not a de Polignac number, because 112111201200221 - 2²⁶ = 112111134091357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112111201200221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112111201200223) 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, 376212084416 + ... + 376212084713.

It is an arithmetic number, because the mean of its divisors is an integer number (28215906342375).

Almost surely, 2^{112111201200221} is an apocalyptic number.

It is an amenable number.

112111201200221 is a deficient number, since it is larger than the sum of its proper divisors (752424169279).

112111201200221 is an equidigital number, since it uses as much as digits as its factorization.

112111201200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752424169278.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 112111201200221 its reverse (122002102111211), we get a palindrome (234113303311432).

The spelling of 112111201200221 in words is "one hundred twelve trillion, one hundred eleven billion, two hundred one million, two hundred thousand, two hundred twenty-one".