21321410414241 has 16 divisors (see below), whose sum is σ = 32491079168000. Its totient is φ = 12183171499728.

The previous prime is 21321410414233. The next prime is 21321410414263. The reversal of 21321410414241 is 14241401412312.

It is not a de Polignac number, because 21321410414241 - 2³ = 21321410414233 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 21321410414199 and 21321410414208.

It is not an unprimeable number, because it can be changed into a prime (21321410414141) 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 15 ways as a sum of consecutive naturals, for example, 19949911 + ... + 20991468.

It is an arithmetic number, because the mean of its divisors is an integer number (2030692448000).

Almost surely, 2^{21321410414241} is an apocalyptic number.

21321410414241 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21321410414241 is a deficient number, since it is larger than the sum of its proper divisors (11169668753759).

21321410414241 is a wasteful number, since it uses less digits than its factorization.

21321410414241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40966188.

The product of its (nonzero) digits is 6144, while the sum is 30.

Adding to 21321410414241 its reverse (14241401412312), we get a palindrome (35562811826553).

The spelling of 21321410414241 in words is "twenty-one trillion, three hundred twenty-one billion, four hundred ten million, four hundred fourteen thousand, two hundred forty-one".