11122332013 has 8 divisors (see below), whose sum is σ = 12203894808. Its totient is φ = 10073054784.

The previous prime is 11122331989. The next prime is 11122332017. The reversal of 11122332013 is 31023322111.

It can be written as a sum of positive squares in 4 ways, for example, as 41190724 + 11081141289 = 6418^2 + 105267^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-11122332013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122332017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8070670 + ... + 8072047.

It is an arithmetic number, because the mean of its divisors is an integer number (1525486851).

Almost surely, 2^11122332013 is an apocalyptic number.

11122332013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11122332013 is a deficient number, since it is larger than the sum of its proper divisors (1081562795).

11122332013 is a wasteful number, since it uses less digits than its factorization.

11122332013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16142783.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11122332013 its reverse (31023322111), we get a palindrome (42145654124).

The spelling of 11122332013 in words is "eleven billion, one hundred twenty-two million, three hundred thirty-two thousand, thirteen".