105122011 has 8 divisors (see below), whose sum is σ = 107092800. Its totient is φ = 103157640.

The previous prime is 105122009. The next prime is 105122051. The reversal of 105122011 is 110221501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105122011 - 2¹ = 105122009 is a prime.

It is a super-2 number, since 2×105122011² = 22101274393368242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105121982 and 105122000.

It is not an unprimeable number, because it can be changed into a prime (105122051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42396 + ... + 44806.

It is an arithmetic number, because the mean of its divisors is an integer number (13386600).

Almost surely, 2^105122011 is an apocalyptic number.

105122011 is a deficient number, since it is larger than the sum of its proper divisors (1970789).

105122011 is an equidigital number, since it uses as much as digits as its factorization.

105122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3209.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 105122011 is about 10252.9025646399. The cubic root of 105122011 is about 471.9520608091.

Adding to 105122011 its reverse (110221501), we get a palindrome (215343512).

The spelling of 105122011 in words is "one hundred five million, one hundred twenty-two thousand, eleven".