21024012141 has 24 divisors (see below), whose sum is σ = 33137803296. Its totient is φ = 12738342240.

The previous prime is 21024012131. The next prime is 21024012167. The reversal of 21024012141 is 14121042012.

21024012141 is a `hidden beast` number, since 210 + 240 + 1 + 214 + 1 = 666.

It is not a de Polignac number, because 21024012141 - 2²² = 21019817837 is a prime.

It is a super-3 number, since 3×21024012141³ (a number of 32 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21024012131) 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 23 ways as a sum of consecutive naturals, for example, 361311 + ... + 415443.

It is an arithmetic number, because the mean of its divisors is an integer number (1380741804).

Almost surely, 2^21024012141 is an apocalyptic number.

It is an amenable number.

21024012141 is a deficient number, since it is larger than the sum of its proper divisors (12113791155).

21024012141 is a wasteful number, since it uses less digits than its factorization.

21024012141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58073 (or 58070 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 21024012141 its reverse (14121042012), we get a palindrome (35145054153).

The spelling of 21024012141 in words is "twenty-one billion, twenty-four million, twelve thousand, one hundred forty-one".