1101120013 has 6 divisors (see below), whose sum is σ = 1280894766. Its totient is φ = 943817112.

The previous prime is 1101119993. The next prime is 1101120019. The reversal of 1101120013 is 3100211011.

It can be written as a sum of positive squares in only one way, i.e., 951228964 + 149891049 = 30842^2 + 12243^2 .

It is not a de Polignac number, because 1101120013 - 2⁹ = 1101119501 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 (1101120019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11235870 + ... + 11235967.

It is an arithmetic number, because the mean of its divisors is an integer number (213482461).

Almost surely, 2^1101120013 is an apocalyptic number.

It is an amenable number.

1101120013 is a deficient number, since it is larger than the sum of its proper divisors (179774753).

1101120013 is an equidigital number, since it uses as much as digits as its factorization.

1101120013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22471851 (or 22471844 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 1101120013 is about 33183.1284390125. The cubic root of 1101120013 is about 1032.6303502958.

Adding to 1101120013 its reverse (3100211011), we get a palindrome (4201331024).

The spelling of 1101120013 in words is "one billion, one hundred one million, one hundred twenty thousand, thirteen".