11001021013 has 4 divisors (see below), whose sum is σ = 11001232768. Its totient is φ = 11000809260.

The previous prime is 11001021007. The next prime is 11001021023. The reversal of 11001021013 is 31012010011.

11001021013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11001021013 - 2¹³ = 11001012821 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 (11001021023) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 31258 + ... + 151588.

It is an arithmetic number, because the mean of its divisors is an integer number (2750308192).

Almost surely, 2^11001021013 is an apocalyptic number.

It is an amenable number.

11001021013 is a deficient number, since it is larger than the sum of its proper divisors (211755).

11001021013 is an equidigital number, since it uses as much as digits as its factorization.

11001021013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211754.

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

Adding to 11001021013 its reverse (31012010011), we get a palindrome (42013031024).

The spelling of 11001021013 in words is "eleven billion, one million, twenty-one thousand, thirteen".