112202121202221 has 4 divisors (see below), whose sum is σ = 149602828269632. Its totient is φ = 74801414134812.

The previous prime is 112202121202219. The next prime is 112202121202253. The reversal of 112202121202221 is 122202121202211.

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 112202121202221 - 2¹ = 112202121202219 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 (112202121202921) 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, 18700353533701 + ... + 18700353533706.

It is an arithmetic number, because the mean of its divisors is an integer number (37400707067408).

Almost surely, 2^{112202121202221} is an apocalyptic number.

It is an amenable number.

112202121202221 is a deficient number, since it is larger than the sum of its proper divisors (37400707067411).

112202121202221 is an equidigital number, since it uses as much as digits as its factorization.

112202121202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37400707067410.

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

Adding to 112202121202221 its reverse (122202121202211), we get a palindrome (234404242404432).

The spelling of 112202121202221 in words is "one hundred twelve trillion, two hundred two billion, one hundred twenty-one million, two hundred two thousand, two hundred twenty-one".