21112102110167 has 2 divisors, whose sum is σ = 21112102110168. Its totient is φ = 21112102110166.

The previous prime is 21112102110097. The next prime is 21112102110217. The reversal of 21112102110167 is 76101120121112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21112102110167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21112102110767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10556051055083 + 10556051055084.

It is an arithmetic number, because the mean of its divisors is an integer number (10556051055084).

Almost surely, 2^{21112102110167} is an apocalyptic number.

21112102110167 is a deficient number, since it is larger than the sum of its proper divisors (1).

21112102110167 is an equidigital number, since it uses as much as digits as its factorization.

21112102110167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 26.

Adding to 21112102110167 its reverse (76101120121112), we get a palindrome (97213222231279).

The spelling of 21112102110167 in words is "twenty-one trillion, one hundred twelve billion, one hundred two million, one hundred ten thousand, one hundred sixty-seven".