21133233233071 has 2 divisors, whose sum is σ = 21133233233072. Its totient is φ = 21133233233070.

The previous prime is 21133233233059. The next prime is 21133233233129. The reversal of 21133233233071 is 17033233233112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21133233233071 - 2¹³ = 21133233224879 is a prime.

It is a super-2 number, since 2×21133233233071² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21133233243071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10566616616535 + 10566616616536.

It is an arithmetic number, because the mean of its divisors is an integer number (10566616616536).

Almost surely, 2^{21133233233071} is an apocalyptic number.

21133233233071 is a deficient number, since it is larger than the sum of its proper divisors (1).

21133233233071 is an equidigital number, since it uses as much as digits as its factorization.

21133233233071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 34.

Adding to 21133233233071 its reverse (17033233233112), we get a palindrome (38166466466183).

The spelling of 21133233233071 in words is "twenty-one trillion, one hundred thirty-three billion, two hundred thirty-three million, two hundred thirty-three thousand, seventy-one".