11102001311 has 4 divisors (see below), whose sum is σ = 11360187432. Its totient is φ = 10843815192.

The previous prime is 11102001301. The next prime is 11102001329. The reversal of 11102001311 is 11310020111.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11102001311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11102001292 and 11102001301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102001301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129092996 + ... + 129093081.

It is an arithmetic number, because the mean of its divisors is an integer number (2840046858).

Almost surely, 2^11102001311 is an apocalyptic number.

11102001311 is a deficient number, since it is larger than the sum of its proper divisors (258186121).

11102001311 is an equidigital number, since it uses as much as digits as its factorization.

11102001311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258186120.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 11102001311 its reverse (11310020111), we get a palindrome (22412021422).

The spelling of 11102001311 in words is "eleven billion, one hundred two million, one thousand, three hundred eleven".