21004144101141 has 32 divisors (see below), whose sum is σ = 29016153374208. Its totient is φ = 13507262300160.

The previous prime is 21004144101091. The next prime is 21004144101191. The reversal of 21004144101141 is 14110144140012.

It is an interprime number because it is at equal distance from previous prime (21004144101091) and next prime (21004144101191).

It is not a de Polignac number, because 21004144101141 - 2³¹ = 21001996617493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21004144101191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110001 + ... + 6482313.

It is an arithmetic number, because the mean of its divisors is an integer number (906754792944).

Almost surely, 2^{21004144101141} is an apocalyptic number.

It is an amenable number.

21004144101141 is a deficient number, since it is larger than the sum of its proper divisors (8012009273067).

21004144101141 is a wasteful number, since it uses less digits than its factorization.

21004144101141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6372701.

The product of its (nonzero) digits is 512, while the sum is 24.

Adding to 21004144101141 its reverse (14110144140012), we get a palindrome (35114288241153).

The spelling of 21004144101141 in words is "twenty-one trillion, four billion, one hundred forty-four million, one hundred one thousand, one hundred forty-one".