21114133141 has 2 divisors, whose sum is σ = 21114133142. Its totient is φ = 21114133140.

The previous prime is 21114133109. The next prime is 21114133171. The reversal of 21114133141 is 14133141112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18991596100 + 2122537041 = 137810^2 + 46071^2 .

It is a cyclic number.

It is not a de Polignac number, because 21114133141 - 2⁵ = 21114133109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21114133171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10557066570 + 10557066571.

It is an arithmetic number, because the mean of its divisors is an integer number (10557066571).

Almost surely, 2^21114133141 is an apocalyptic number.

It is an amenable number.

21114133141 is a deficient number, since it is larger than the sum of its proper divisors (1).

21114133141 is an equidigital number, since it uses as much as digits as its factorization.

21114133141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 22.

Adding to 21114133141 its reverse (14133141112), we get a palindrome (35247274253).

The spelling of 21114133141 in words is "twenty-one billion, one hundred fourteen million, one hundred thirty-three thousand, one hundred forty-one".