11220210013 has 4 divisors (see below), whose sum is σ = 11260139868. Its totient is φ = 11180280160.

The previous prime is 11220209993. The next prime is 11220210041. The reversal of 11220210013 is 31001202211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9705599289 + 1514610724 = 98517^2 + 38918^2 .

It is a cyclic number.

It is not a de Polignac number, because 11220210013 - 2²¹ = 11218112861 is a prime.

It is a super-2 number, since 2×11220210013² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11220209975 and 11220210002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220210073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19964506 + ... + 19965067.

It is an arithmetic number, because the mean of its divisors is an integer number (2815034967).

Almost surely, 2^11220210013 is an apocalyptic number.

It is an amenable number.

11220210013 is a deficient number, since it is larger than the sum of its proper divisors (39929855).

11220210013 is an equidigital number, since it uses as much as digits as its factorization.

11220210013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39929854.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11220210013 its reverse (31001202211), we get a palindrome (42221412224).

The spelling of 11220210013 in words is "eleven billion, two hundred twenty million, two hundred ten thousand, thirteen".