105102210106 has 4 divisors (see below), whose sum is σ = 157653315162. Its totient is φ = 52551105052.

The previous prime is 105102210091. The next prime is 105102210127. The reversal of 105102210106 is 601012201501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 101745050625 + 3357159481 = 318975^2 + 57941^2 .

It is a super-2 number, since 2×105102210106² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26275552525 + ... + 26275552528.

Almost surely, 2^105102210106 is an apocalyptic number.

105102210106 is a deficient number, since it is larger than the sum of its proper divisors (52551105056).

105102210106 is an equidigital number, since it uses as much as digits as its factorization.

105102210106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52551105055.

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 105102210106 its reverse (601012201501), we get a palindrome (706114411607).

The spelling of 105102210106 in words is "one hundred five billion, one hundred two million, two hundred ten thousand, one hundred six".