11012121604727 has 2 divisors, whose sum is σ = 11012121604728. Its totient is φ = 11012121604726.

The previous prime is 11012121604669. The next prime is 11012121604747. The reversal of 11012121604727 is 72740612121011.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11012121604727 - 2¹⁸ = 11012121342583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11012121604747) 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, 5506060802363 + 5506060802364.

It is an arithmetic number, because the mean of its divisors is an integer number (5506060802364).

Almost surely, 2^{11012121604727} is an apocalyptic number.

11012121604727 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012121604727 is an equidigital number, since it uses as much as digits as its factorization.

11012121604727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 35.

Adding to 11012121604727 its reverse (72740612121011), we get a palindrome (83752733725738).

The spelling of 11012121604727 in words is "eleven trillion, twelve billion, one hundred twenty-one million, six hundred four thousand, seven hundred twenty-seven".