210105111132111 has 16 divisors (see below), whose sum is σ = 301905036876800. Its totient is φ = 129203033061600.

The previous prime is 210105111132079. The next prime is 210105111132127. The reversal of 210105111132111 is 111231111501012.

It is not a de Polignac number, because 210105111132111 - 2⁵ = 210105111132079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210105111172111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1925360215 + ... + 1925469336.

It is an arithmetic number, because the mean of its divisors is an integer number (18869064804800).

Almost surely, 2^{210105111132111} is an apocalyptic number.

210105111132111 is a deficient number, since it is larger than the sum of its proper divisors (91799925744689).

210105111132111 is a wasteful number, since it uses less digits than its factorization.

210105111132111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3850830966.

The product of its (nonzero) digits is 60, while the sum is 21.

Adding to 210105111132111 its reverse (111231111501012), we get a palindrome (321336222633123).

The spelling of 210105111132111 in words is "two hundred ten trillion, one hundred five billion, one hundred eleven million, one hundred thirty-two thousand, one hundred eleven".