1101210013 has 4 divisors (see below), whose sum is σ = 1102781628. Its totient is φ = 1099638400.

The previous prime is 1101210001. The next prime is 1101210017. The reversal of 1101210013 is 3100121011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3100121011 = 13 ⋅238470847.

It can be written as a sum of positive squares in 2 ways, for example, as 747092889 + 354117124 = 27333^2 + 18818^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101210013 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 (1101210017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 784756 + ... + 786157.

It is an arithmetic number, because the mean of its divisors is an integer number (275695407).

Almost surely, 2^1101210013 is an apocalyptic number.

It is an amenable number.

1101210013 is a deficient number, since it is larger than the sum of its proper divisors (1571615).

1101210013 is an equidigital number, since it uses as much as digits as its factorization.

1101210013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571614.

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

The square root of 1101210013 is about 33184.4845221378. The cubic root of 1101210013 is about 1032.6584835294.

Adding to 1101210013 its reverse (3100121011), we get a palindrome (4201331024).

It can be divided in two parts, 11012 and 10013, that added together give a square (21025 = 145²).

The spelling of 1101210013 in words is "one billion, one hundred one million, two hundred ten thousand, thirteen".