21114141244051 has 2 divisors, whose sum is σ = 21114141244052. Its totient is φ = 21114141244050.

The previous prime is 21114141244039. The next prime is 21114141244139. The reversal of 21114141244051 is 15044214141112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21114141244051 - 2⁵ = 21114141244019 is a prime.

It is not a weakly prime, because it can be changed into another prime (21114141245051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10557070622025 + 10557070622026.

It is an arithmetic number, because the mean of its divisors is an integer number (10557070622026).

Almost surely, 2^{21114141244051} is an apocalyptic number.

21114141244051 is a deficient number, since it is larger than the sum of its proper divisors (1).

21114141244051 is an equidigital number, since it uses as much as digits as its factorization.

21114141244051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5120, while the sum is 31.

Adding to 21114141244051 its reverse (15044214141112), we get a palindrome (36158355385163).

The spelling of 21114141244051 in words is "twenty-one trillion, one hundred fourteen billion, one hundred forty-one million, two hundred forty-four thousand, fifty-one".