11301021011 has 16 divisors (see below), whose sum is σ = 13314316800. Its totient is φ = 9391940928.

The previous prime is 11301021007. The next prime is 11301021013. The reversal of 11301021011 is 11012010311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11301021011 - 2² = 11301021007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11301020983 and 11301021001.

It is not an unprimeable number, because it can be changed into a prime (11301021013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157271 + ... + 217568.

It is an arithmetic number, because the mean of its divisors is an integer number (832144800).

Almost surely, 2^11301021011 is an apocalyptic number.

11301021011 is a deficient number, since it is larger than the sum of its proper divisors (2013295789).

11301021011 is an equidigital number, since it uses as much as digits as its factorization.

11301021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374978.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 11301021011 its reverse (11012010311), we get a palindrome (22313031322).

The spelling of 11301021011 in words is "eleven billion, three hundred one million, twenty-one thousand, eleven".