1120121021105 has 16 divisors (see below), whose sum is σ = 1377080904528. Its totient is φ = 874144512000.

The previous prime is 1120121020987. The next prime is 1120121021111. The reversal of 1120121021105 is 5011201210211.

It can be written as a sum of positive squares in 8 ways, for example, as 10418897329 + 1109702123776 = 102073^2 + 1053424^2 .

It is not a de Polignac number, because 1120121021105 - 2²⁰ = 1120119972529 is a prime.

It is a super-2 number, since 2×1120121021105² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

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 in 15 ways as a sum of consecutive naturals, for example, 1594025 + ... + 2186585.

It is an arithmetic number, because the mean of its divisors is an integer number (86067556533).

Almost surely, 2^{1120121021105} is an apocalyptic number.

It is an amenable number.

1120121021105 is a deficient number, since it is larger than the sum of its proper divisors (256959883423).

1120121021105 is an equidigital number, since it uses as much as digits as its factorization.

1120121021105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601828.

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 1120121021105 its reverse (5011201210211), we get a palindrome (6131322231316).

The spelling of 1120121021105 in words is "one trillion, one hundred twenty billion, one hundred twenty-one million, twenty-one thousand, one hundred five".