11220323121113 has 16 divisors (see below), whose sum is σ = 11300939060880. Its totient is φ = 11140025250816.

The previous prime is 11220323121089. The next prime is 11220323121143. The reversal of 11220323121113 is 31112132302211.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1842200854729 + 9378122266384 = 1357277^2 + 3062372^2 .

It is a cyclic number.

It is not a de Polignac number, because 11220323121113 - 2⁸ = 11220323120857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11220323121143) 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, 120476381 + ... + 120569477.

It is an arithmetic number, because the mean of its divisors is an integer number (706308691305).

Almost surely, 2^{11220323121113} is an apocalyptic number.

It is an amenable number.

11220323121113 is a deficient number, since it is larger than the sum of its proper divisors (80615939767).

11220323121113 is an equidigital number, since it uses as much as digits as its factorization.

11220323121113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94796.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 11220323121113 its reverse (31112132302211), we get a palindrome (42332455423324).

The spelling of 11220323121113 in words is "eleven trillion, two hundred twenty billion, three hundred twenty-three million, one hundred twenty-one thousand, one hundred thirteen".