2212410021 has 4 divisors (see below), whose sum is σ = 2949880032. Its totient is φ = 1474940012.

The previous prime is 2212410019. The next prime is 2212410049. The reversal of 2212410021 is 1200142122.

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 2212410021 - 2¹ = 2212410019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212410001) 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, 368735001 + ... + 368735006.

It is an arithmetic number, because the mean of its divisors is an integer number (737470008).

Almost surely, 2^2212410021 is an apocalyptic number.

It is an amenable number.

2212410021 is a deficient number, since it is larger than the sum of its proper divisors (737470011).

2212410021 is an equidigital number, since it uses as much as digits as its factorization.

2212410021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737470010.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2212410021 is about 47036.2628298635. The cubic root of 2212410021 is about 1303.0323730768.

Adding to 2212410021 its reverse (1200142122), we get a palindrome (3412552143).

The spelling of 2212410021 in words is "two billion, two hundred twelve million, four hundred ten thousand, twenty-one".