11310221013 has 96 divisors (see below), whose sum is σ = 19603374336. Its totient is φ = 5744535552.

The previous prime is 11310221011. The next prime is 11310221063. The reversal of 11310221013 is 31012201311.

It is a happy number.

It is not a de Polignac number, because 11310221013 - 2¹ = 11310221011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11310220983 and 11310221001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11310221011) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7282045 + ... + 7283597.

It is an arithmetic number, because the mean of its divisors is an integer number (204201816).

Almost surely, 2^11310221013 is an apocalyptic number.

11310221013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11310221013 is a deficient number, since it is larger than the sum of its proper divisors (8293153323).

11310221013 is a wasteful number, since it uses less digits than its factorization.

11310221013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723 (or 1716 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11310221013 its reverse (31012201311), we get a palindrome (42322422324).

The spelling of 11310221013 in words is "eleven billion, three hundred ten million, two hundred twenty-one thousand, thirteen".