1120100101 has 4 divisors (see below), whose sum is σ = 1135444012. Its totient is φ = 1104756192.

The previous prime is 1120100087. The next prime is 1120100227. The reversal of 1120100101 is 1010010211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1010010211 = 7 ⋅144287173.

It can be written as a sum of positive squares in 2 ways, for example, as 405821025 + 714279076 = 20145^2 + 26726^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120100101 - 2¹⁹ = 1119575813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120100801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7671846 + ... + 7671991.

It is an arithmetic number, because the mean of its divisors is an integer number (283861003).

Almost surely, 2^1120100101 is an apocalyptic number.

It is an amenable number.

1120100101 is a deficient number, since it is larger than the sum of its proper divisors (15343911).

1120100101 is an equidigital number, since it uses as much as digits as its factorization.

1120100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15343910.

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 1120100101 is about 33467.8965726859. The cubic root of 1120100101 is about 1038.5297583683.

Adding to 1120100101 its reverse (1010010211), we get a palindrome (2130110312).

The spelling of 1120100101 in words is "one billion, one hundred twenty million, one hundred thousand, one hundred one".