112212211021 has 4 divisors (see below), whose sum is σ = 112212916000. Its totient is φ = 112211506044.

The previous prime is 112212211019. The next prime is 112212211039. The reversal of 112212211021 is 120112212211.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 112212211021 - 2¹ = 112212211019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112212210986 and 112212211004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112212211051) 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, 11680 + ... + 473878.

It is an arithmetic number, because the mean of its divisors is an integer number (28053229000).

Almost surely, 2^112212211021 is an apocalyptic number.

It is an amenable number.

112212211021 is a deficient number, since it is larger than the sum of its proper divisors (704979).

112212211021 is an equidigital number, since it uses as much as digits as its factorization.

112212211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704978.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112212211021 its reverse (120112212211), we get a palindrome (232324423232).

The spelling of 112212211021 in words is "one hundred twelve billion, two hundred twelve million, two hundred eleven thousand, twenty-one".