21110055113167 has 2 divisors, whose sum is σ = 21110055113168. Its totient is φ = 21110055113166.

The previous prime is 21110055113101. The next prime is 21110055113227. The reversal of 21110055113167 is 76131155001112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21110055113167 - 2⁴³ = 12313962090959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21110055116167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10555027556583 + 10555027556584.

It is an arithmetic number, because the mean of its divisors is an integer number (10555027556584).

Almost surely, 2^{21110055113167} is an apocalyptic number.

21110055113167 is a deficient number, since it is larger than the sum of its proper divisors (1).

21110055113167 is an equidigital number, since it uses as much as digits as its factorization.

21110055113167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 34.

The spelling of 21110055113167 in words is "twenty-one trillion, one hundred ten billion, fifty-five million, one hundred thirteen thousand, one hundred sixty-seven".