21101141333 has 2 divisors, whose sum is σ = 21101141334. Its totient is φ = 21101141332.

The previous prime is 21101141297. The next prime is 21101141357. The reversal of 21101141333 is 33314110112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14517117169 + 6584024164 = 120487^2 + 81142^2 .

It is a cyclic number.

It is not a de Polignac number, because 21101141333 - 2⁸ = 21101141077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21101144333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10550570666 + 10550570667.

It is an arithmetic number, because the mean of its divisors is an integer number (10550570667).

Almost surely, 2^21101141333 is an apocalyptic number.

It is an amenable number.

21101141333 is a deficient number, since it is larger than the sum of its proper divisors (1).

21101141333 is an equidigital number, since it uses as much as digits as its factorization.

21101141333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 21101141333 its reverse (33314110112), we get a palindrome (54415251445).

The spelling of 21101141333 in words is "twenty-one billion, one hundred one million, one hundred forty-one thousand, three hundred thirty-three".