105214111 has 2 divisors, whose sum is σ = 105214112. Its totient is φ = 105214110.

The previous prime is 105214073. The next prime is 105214127. The reversal of 105214111 is 111412501.

It is an a-pointer prime, because the next prime (105214127) can be obtained adding 105214111 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105214111 - 2⁹ = 105213599 is a prime.

It is a super-2 number, since 2×105214111² = 22140018307040642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105214141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52607055 + 52607056.

It is an arithmetic number, because the mean of its divisors is an integer number (52607056).

Almost surely, 2^105214111 is an apocalyptic number.

105214111 is a deficient number, since it is larger than the sum of its proper divisors (1).

105214111 is an equidigital number, since it uses as much as digits as its factorization.

105214111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 105214111 is about 10257.3929923738. The cubic root of 105214111 is about 472.0898502104.

Adding to 105214111 its reverse (111412501), we get a palindrome (216626612).

The spelling of 105214111 in words is "one hundred five million, two hundred fourteen thousand, one hundred eleven".