21133260892927 has 2 divisors, whose sum is σ = 21133260892928. Its totient is φ = 21133260892926.

The previous prime is 21133260892907. The next prime is 21133260892999. The reversal of 21133260892927 is 72929806233112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21133260892927 - 2²³ = 21133252504319 is a prime.

It is a super-2 number, since 2×21133260892927² (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 (21133260892907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10566630446463 + 10566630446464.

It is an arithmetic number, because the mean of its divisors is an integer number (10566630446464).

Almost surely, 2^{21133260892927} is an apocalyptic number.

21133260892927 is a deficient number, since it is larger than the sum of its proper divisors (1).

21133260892927 is an equidigital number, since it uses as much as digits as its factorization.

21133260892927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 21133260892927 in words is "twenty-one trillion, one hundred thirty-three billion, two hundred sixty million, eight hundred ninety-two thousand, nine hundred twenty-seven".