21050224110325 has 12 divisors (see below), whose sum is σ = 26129159778528. Its totient is φ = 16822836138800.

The previous prime is 21050224110319. The next prime is 21050224110367. The reversal of 21050224110325 is 52301142205012.

It is a happy number.

It is not a de Polignac number, because 21050224110325 - 2²⁵ = 21050190555893 is a prime.

It is a super-2 number, since 2×21050224110325² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21050224110293 and 21050224110302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 433553977 + ... + 433602526.

It is an arithmetic number, because the mean of its divisors is an integer number (2177429981544).

Almost surely, 2^{21050224110325} is an apocalyptic number.

21050224110325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

21050224110325 is a deficient number, since it is larger than the sum of its proper divisors (5078935668203).

21050224110325 is an equidigital number, since it uses as much as digits as its factorization.

21050224110325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867157484 (or 867157479 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 21050224110325 its reverse (52301142205012), we get a palindrome (73351366315337).

The spelling of 21050224110325 in words is "twenty-one trillion, fifty billion, two hundred twenty-four million, one hundred ten thousand, three hundred twenty-five".