11013103021 has 8 divisors (see below), whose sum is σ = 11382803480. Its totient is φ = 10647194688.

The previous prime is 11013103001. The next prime is 11013103033. The reversal of 11013103021 is 12030131011.

It can be written as a sum of positive squares in 4 ways, for example, as 4225650025 + 6787452996 = 65005^2 + 82386^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11013103021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11013102992 and 11013103010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013103001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 942126 + ... + 953743.

It is an arithmetic number, because the mean of its divisors is an integer number (1422850435).

Almost surely, 2^11013103021 is an apocalyptic number.

It is an amenable number.

11013103021 is a deficient number, since it is larger than the sum of its proper divisors (369700459).

11013103021 is a wasteful number, since it uses less digits than its factorization.

11013103021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896063.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 11013103021 its reverse (12030131011), we get a palindrome (23043234032).

The spelling of 11013103021 in words is "eleven billion, thirteen million, one hundred three thousand, twenty-one".