105924851221 has 8 divisors (see below), whose sum is σ = 121756725504. Its totient is φ = 90267915120.

The previous prime is 105924851209. The next prime is 105924851261. The reversal of 105924851221 is 122158429501.

It is a happy number.

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 105924851221 - 2⁷ = 105924851093 is a prime.

It is a super-2 number, since 2×105924851221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105924851261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43733245 + ... + 43735666.

It is an arithmetic number, because the mean of its divisors is an integer number (15219590688).

Almost surely, 2^105924851221 is an apocalyptic number.

It is an amenable number.

105924851221 is a deficient number, since it is larger than the sum of its proper divisors (15831874283).

105924851221 is an equidigital number, since it uses as much as digits as its factorization.

105924851221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87469091.

The product of its (nonzero) digits is 57600, while the sum is 40.

The spelling of 105924851221 in words is "one hundred five billion, nine hundred twenty-four million, eight hundred fifty-one thousand, two hundred twenty-one".