21141241133 has 2 divisors, whose sum is σ = 21141241134. Its totient is φ = 21141241132.

The previous prime is 21141241117. The next prime is 21141241217. The reversal of 21141241133 is 33114214112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19226040964 + 1915200169 = 138658^2 + 43763^2 .

It is a cyclic number.

It is not a de Polignac number, because 21141241133 - 2⁴ = 21141241117 is a prime.

It is a super-2 number, since 2×21141241133² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21141241099 and 21141241108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21141247133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10570620566 + 10570620567.

It is an arithmetic number, because the mean of its divisors is an integer number (10570620567).

Almost surely, 2^21141241133 is an apocalyptic number.

It is an amenable number.

21141241133 is a deficient number, since it is larger than the sum of its proper divisors (1).

21141241133 is an equidigital number, since it uses as much as digits as its factorization.

21141241133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 23.

Adding to 21141241133 its reverse (33114214112), we get a palindrome (54255455245).

The spelling of 21141241133 in words is "twenty-one billion, one hundred forty-one million, two hundred forty-one thousand, one hundred thirty-three".