21241211112141 has 16 divisors (see below), whose sum is σ = 28538427952320. Its totient is φ = 14052405519360.

The previous prime is 21241211112131. The next prime is 21241211112227. The reversal of 21241211112141 is 14121111214212.

It is not a de Polignac number, because 21241211112141 - 2¹⁴ = 21241211095757 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21241211112131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18379095 + ... + 19500603.

It is an arithmetic number, because the mean of its divisors is an integer number (1783651747020).

Almost surely, 2^{21241211112141} is an apocalyptic number.

It is an amenable number.

21241211112141 is a deficient number, since it is larger than the sum of its proper divisors (7297216840179).

21241211112141 is a wasteful number, since it uses less digits than its factorization.

21241211112141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169836.

The product of its digits is 256, while the sum is 24.

Adding to 21241211112141 its reverse (14121111214212), we get a palindrome (35362322326353).

The spelling of 21241211112141 in words is "twenty-one trillion, two hundred forty-one billion, two hundred eleven million, one hundred twelve thousand, one hundred forty-one".