21411012341244 has 12 divisors (see below), whose sum is σ = 49959028796264. Its totient is φ = 7137004113744.

The previous prime is 21411012341227. The next prime is 21411012341287. The reversal of 21411012341244 is 44214321011412.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 892125514207 + ... + 892125514230.

Almost surely, 2^{21411012341244} is an apocalyptic number.

It is an amenable number.

21411012341244 is an abundant number, since it is smaller than the sum of its proper divisors (28548016455020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21411012341244 is a wasteful number, since it uses less digits than its factorization.

21411012341244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784251028444 (or 1784251028442 counting only the distinct ones).

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

Adding to 21411012341244 its reverse (44214321011412), we get a palindrome (65625333352656).

The spelling of 21411012341244 in words is "twenty-one trillion, four hundred eleven billion, twelve million, three hundred forty-one thousand, two hundred forty-four".