112001112210221 has 4 divisors (see below), whose sum is σ = 120616582380252. Its totient is φ = 103385642040192.

The previous prime is 112001112210209. The next prime is 112001112210283. The reversal of 112001112210221 is 122012211100211.

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 61514829373321 + 50486282836900 = 7843139^2 + 7105370^2 .

It is a cyclic number.

It is not a de Polignac number, because 112001112210221 - 2²⁶ = 112001045101357 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 112001112210221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112001112210821) 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, 4307735084996 + ... + 4307735085021.

It is an arithmetic number, because the mean of its divisors is an integer number (30154145595063).

Almost surely, 2^{112001112210221} is an apocalyptic number.

It is an amenable number.

112001112210221 is a deficient number, since it is larger than the sum of its proper divisors (8615470170031).

112001112210221 is an equidigital number, since it uses as much as digits as its factorization.

112001112210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8615470170030.

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

Adding to 112001112210221 its reverse (122012211100211), we get a palindrome (234013323310432).

The spelling of 112001112210221 in words is "one hundred twelve trillion, one billion, one hundred twelve million, two hundred ten thousand, two hundred twenty-one".