105081404121 has 12 divisors (see below), whose sum is σ = 153257885248. Its totient is φ = 69374130264.

The previous prime is 105081404119. The next prime is 105081404147. The reversal of 105081404121 is 121404180501.

It is a happy number.

105081404121 is a `hidden beast` number, since 1 + 0 + 508 + 140 + 4 + 12 + 1 = 666.

It is not a de Polignac number, because 105081404121 - 2¹ = 105081404119 is a prime.

It is a super-2 number, since 2×105081404121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105081404221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56677285 + ... + 56679138.

Almost surely, 2^105081404121 is an apocalyptic number.

It is an amenable number.

105081404121 is a deficient number, since it is larger than the sum of its proper divisors (48176481127).

105081404121 is a wasteful number, since it uses less digits than its factorization.

105081404121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113356532 (or 113356529 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

Adding to 105081404121 its reverse (121404180501), we get a palindrome (226485584622).

The spelling of 105081404121 in words is "one hundred five billion, eighty-one million, four hundred four thousand, one hundred twenty-one".