112112222110021 has 8 divisors (see below), whose sum is σ = 132546469489920. Its totient is φ = 92782528642608.

The previous prime is 112112222109997. The next prime is 112112222110039. The reversal of 112112222110021 is 120011222211211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 112112222110021 - 2²¹ = 112112220012869 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 (112112222110051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276138477901 + ... + 276138478306.

It is an arithmetic number, because the mean of its divisors is an integer number (16568308686240).

Almost surely, 2^{112112222110021} is an apocalyptic number.

It is an amenable number.

112112222110021 is a deficient number, since it is larger than the sum of its proper divisors (20434247379899).

112112222110021 is an equidigital number, since it uses as much as digits as its factorization.

112112222110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552276956243.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 112112222110021 its reverse (120011222211211), we get a palindrome (232123444321232).

The spelling of 112112222110021 in words is "one hundred twelve trillion, one hundred twelve billion, two hundred twenty-two million, one hundred ten thousand, twenty-one".