112102212220221 has 4 divisors (see below), whose sum is σ = 149469616293632. Its totient is φ = 74734808146812.

The previous prime is 112102212220213. The next prime is 112102212220247. The reversal of 112102212220221 is 122022212201211.

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 not a de Polignac number, because 112102212220221 - 2³ = 112102212220213 is a prime.

It is a super-3 number, since 3×112102212220221³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112102212220321) 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, 18683702036701 + ... + 18683702036706.

It is an arithmetic number, because the mean of its divisors is an integer number (37367404073408).

Almost surely, 2^{112102212220221} is an apocalyptic number.

It is an amenable number.

112102212220221 is a deficient number, since it is larger than the sum of its proper divisors (37367404073411).

112102212220221 is an equidigital number, since it uses as much as digits as its factorization.

112102212220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37367404073410.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 112102212220221 its reverse (122022212201211), we get a palindrome (234124424421432).

The spelling of 112102212220221 in words is "one hundred twelve trillion, one hundred two billion, two hundred twelve million, two hundred twenty thousand, two hundred twenty-one".