21341444124441 has 48 divisors (see below), whose sum is σ = 33210812464128. Its totient is φ = 12154667364000.

The previous prime is 21341444124437. The next prime is 21341444124463. The reversal of 21341444124441 is 14442144414312.

It is a happy number.

It is not a de Polignac number, because 21341444124441 - 2² = 21341444124437 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 21341444124441.

It is not an unprimeable number, because it can be changed into a prime (21341444124841) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 642352956 + ... + 642386178.

It is an arithmetic number, because the mean of its divisors is an integer number (691891926336).

Almost surely, 2^{21341444124441} is an apocalyptic number.

21341444124441 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21341444124441 is a deficient number, since it is larger than the sum of its proper divisors (11869368339687).

21341444124441 is a wasteful number, since it uses less digits than its factorization.

21341444124441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47602 (or 47595 counting only the distinct ones).

The product of its digits is 196608, while the sum is 39.

Adding to 21341444124441 its reverse (14442144414312), we get a palindrome (35783588538753).

The spelling of 21341444124441 in words is "twenty-one trillion, three hundred forty-one billion, four hundred forty-four million, one hundred twenty-four thousand, four hundred forty-one".