112222111021 has 4 divisors (see below), whose sum is σ = 112392403200. Its totient is φ = 112051818844.

The previous prime is 112222110997. The next prime is 112222111031. The reversal of 112222111021 is 120111222211.

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 an emirpimes, since its reverse is a distinct semiprime: 120111222211 = 25643 ⋅4683977.

It is a cyclic number.

It is not a de Polignac number, because 112222111021 - 2⁵ = 112222110989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112222110986 and 112222111004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112222111031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85145101 + ... + 85146418.

It is an arithmetic number, because the mean of its divisors is an integer number (28098100800).

Almost surely, 2^112222111021 is an apocalyptic number.

It is an amenable number.

112222111021 is a deficient number, since it is larger than the sum of its proper divisors (170292179).

112222111021 is an equidigital number, since it uses as much as digits as its factorization.

112222111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170292178.

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

Adding to 112222111021 its reverse (120111222211), we get a palindrome (232333333232).

The spelling of 112222111021 in words is "one hundred twelve billion, two hundred twenty-two million, one hundred eleven thousand, twenty-one".