112222201212021 has 4 divisors (see below), whose sum is σ = 149629601616032. Its totient is φ = 74814800808012.

The previous prime is 112222201211971. The next prime is 112222201212029. The reversal of 112222201212021 is 120212102222211.

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 112222201212021 - 2¹¹ = 112222201209973 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 (112222201212029) 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, 18703700202001 + ... + 18703700202006.

It is an arithmetic number, because the mean of its divisors is an integer number (37407400404008).

Almost surely, 2^{112222201212021} is an apocalyptic number.

It is an amenable number.

112222201212021 is a deficient number, since it is larger than the sum of its proper divisors (37407400404011).

112222201212021 is an equidigital number, since it uses as much as digits as its factorization.

112222201212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37407400404010.

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

Adding to 112222201212021 its reverse (120212102222211), we get a palindrome (232434303434232).

The spelling of 112222201212021 in words is "one hundred twelve trillion, two hundred twenty-two billion, two hundred one million, two hundred twelve thousand, twenty-one".