2222112010021 has 4 divisors (see below), whose sum is σ = 2225365468992. Its totient is φ = 2218858551052.

The previous prime is 2222112009991. The next prime is 2222112010031. The reversal of 2222112010021 is 1200102112222.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 2222112010021 - 2⁷ = 2222112009893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2222112009977 and 2222112010004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222112010031) 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, 1626728461 + ... + 1626729826.

It is an arithmetic number, because the mean of its divisors is an integer number (556341367248).

Almost surely, 2^{2222112010021} is an apocalyptic number.

It is an amenable number.

2222112010021 is a deficient number, since it is larger than the sum of its proper divisors (3253458971).

2222112010021 is an equidigital number, since it uses as much as digits as its factorization.

2222112010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3253458970.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2222112010021 its reverse (1200102112222), we get a palindrome (3422214122243).

The spelling of 2222112010021 in words is "two trillion, two hundred twenty-two billion, one hundred twelve million, ten thousand, twenty-one".