112021130105 has 4 divisors (see below), whose sum is σ = 134425356132. Its totient is φ = 89616904080.

The previous prime is 112021130041. The next prime is 112021130113. The reversal of 112021130105 is 501031120211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 56047721536 + 55973408569 = 236744^2 + 236587^2 .

It is not a de Polignac number, because 112021130105 - 2⁶ = 112021130041 is a prime.

It is a super-2 number, since 2×112021130105² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11202113006 + ... + 11202113015.

It is an arithmetic number, because the mean of its divisors is an integer number (33606339033).

Almost surely, 2^112021130105 is an apocalyptic number.

It is an amenable number.

112021130105 is a deficient number, since it is larger than the sum of its proper divisors (22404226027).

112021130105 is an equidigital number, since it uses as much as digits as its factorization.

112021130105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22404226026.

The product of its (nonzero) digits is 60, while the sum is 17.

Adding to 112021130105 its reverse (501031120211), we get a palindrome (613052250316).

The spelling of 112021130105 in words is "one hundred twelve billion, twenty-one million, one hundred thirty thousand, one hundred five".