22212141421021 has 12 divisors (see below), whose sum is σ = 22528111068000. Its totient is φ = 21900544696800.

The previous prime is 22212141421003. The next prime is 22212141421027. The reversal of 22212141421021 is 12012414121222.

It is not a de Polignac number, because 22212141421021 - 2⁹ = 22212141420509 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 (22212141421027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15286746 + ... + 16676596.

It is an arithmetic number, because the mean of its divisors is an integer number (1877342589000).

Almost surely, 2^{22212141421021} is an apocalyptic number.

It is an amenable number.

22212141421021 is a deficient number, since it is larger than the sum of its proper divisors (315969646979).

22212141421021 is an equidigital number, since it uses as much as digits as its factorization.

22212141421021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392996 (or 1392923 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

Adding to 22212141421021 its reverse (12012414121222), we get a palindrome (34224555542243).

The spelling of 22212141421021 in words is "twenty-two trillion, two hundred twelve billion, one hundred forty-one million, four hundred twenty-one thousand, twenty-one".