11123201013 has 16 divisors (see below), whose sum is σ = 15047824896. Its totient is φ = 7307133680.

The previous prime is 11123201009. The next prime is 11123201017. The reversal of 11123201013 is 31010232111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11123201009) and next prime (11123201017).

It is a cyclic number.

It is not a de Polignac number, because 11123201013 - 2² = 11123201009 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11123200983 and 11123201001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123201017) 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, 418870 + ... + 444632.

It is an arithmetic number, because the mean of its divisors is an integer number (940489056).

Almost surely, 2^11123201013 is an apocalyptic number.

It is an amenable number.

11123201013 is a deficient number, since it is larger than the sum of its proper divisors (3924623883).

11123201013 is a wasteful number, since it uses less digits than its factorization.

11123201013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27864.

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

Adding to 11123201013 its reverse (31010232111), we get a palindrome (42133433124).

The spelling of 11123201013 in words is "eleven billion, one hundred twenty-three million, two hundred one thousand, thirteen".