21111302113067 has 2 divisors, whose sum is σ = 21111302113068. Its totient is φ = 21111302113066.

The previous prime is 21111302113001. The next prime is 21111302113129. The reversal of 21111302113067 is 76031120311112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21111302113067 - 2²⁶ = 21111235004203 is a prime.

It is not a weakly prime, because it can be changed into another prime (21111302113367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10555651056533 + 10555651056534.

It is an arithmetic number, because the mean of its divisors is an integer number (10555651056534).

Almost surely, 2^{21111302113067} is an apocalyptic number.

21111302113067 is a deficient number, since it is larger than the sum of its proper divisors (1).

21111302113067 is an equidigital number, since it uses as much as digits as its factorization.

21111302113067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 29.

Adding to 21111302113067 its reverse (76031120311112), we get a palindrome (97142422424179).

The spelling of 21111302113067 in words is "twenty-one trillion, one hundred eleven billion, three hundred two million, one hundred thirteen thousand, sixty-seven".