21222212410441 has 16 divisors (see below), whose sum is σ = 25294449402880. Its totient is φ = 17422197258240.

The previous prime is 21222212410411. The next prime is 21222212410471. The reversal of 21222212410441 is 14401421222212.

It is an interprime number because it is at equal distance from previous prime (21222212410411) and next prime (21222212410471).

It is a cyclic number.

It is not a de Polignac number, because 21222212410441 - 2³³ = 21213622475849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21222212410411) 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 15 ways as a sum of consecutive naturals, for example, 504093456 + ... + 504135553.

It is an arithmetic number, because the mean of its divisors is an integer number (1580903087680).

Almost surely, 2^{21222212410441} is an apocalyptic number.

It is an amenable number.

21222212410441 is a deficient number, since it is larger than the sum of its proper divisors (4072236992439).

21222212410441 is a wasteful number, since it uses less digits than its factorization.

21222212410441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008229144.

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 21222212410441 its reverse (14401421222212), we get a palindrome (35623633632653).

The spelling of 21222212410441 in words is "twenty-one trillion, two hundred twenty-two billion, two hundred twelve million, four hundred ten thousand, four hundred forty-one".