11220131013 has 64 divisors (see below), whose sum is σ = 18614292480. Its totient is φ = 5853814272.

The previous prime is 11220131003. The next prime is 11220131051. The reversal of 11220131013 is 31013102211.

It is a happy number.

11220131013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11220131013 - 2⁵ = 11220130981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11220130983 and 11220131001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220131003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17341456 + ... + 17342102.

It is an arithmetic number, because the mean of its divisors is an integer number (290848320).

Almost surely, 2^11220131013 is an apocalyptic number.

11220131013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11220131013 is a deficient number, since it is larger than the sum of its proper divisors (7394161467).

11220131013 is a wasteful number, since it uses less digits than its factorization.

11220131013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266.

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

Adding to 11220131013 its reverse (31013102211), we get a palindrome (42233233224).

The spelling of 11220131013 in words is "eleven billion, two hundred twenty million, one hundred thirty-one thousand, thirteen".