21110201125067 has 2 divisors, whose sum is σ = 21110201125068. Its totient is φ = 21110201125066.

The previous prime is 21110201125051. The next prime is 21110201125129. The reversal of 21110201125067 is 76052110201112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21110201125067 - 2⁴ = 21110201125051 is a prime.

It is not a weakly prime, because it can be changed into another prime (21110201125037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10555100562533 + 10555100562534.

It is an arithmetic number, because the mean of its divisors is an integer number (10555100562534).

Almost surely, 2^{21110201125067} is an apocalyptic number.

21110201125067 is a deficient number, since it is larger than the sum of its proper divisors (1).

21110201125067 is an equidigital number, since it uses as much as digits as its factorization.

21110201125067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 29.

Adding to 21110201125067 its reverse (76052110201112), we get a palindrome (97162311326179).

The spelling of 21110201125067 in words is "twenty-one trillion, one hundred ten billion, two hundred one million, one hundred twenty-five thousand, sixty-seven".