11131110211 has 8 divisors (see below), whose sum is σ = 11990982080. Its totient is φ = 10271757312.

The previous prime is 11131110209. The next prime is 11131110227. The reversal of 11131110211 is 11201113111.

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

It is a cyclic number.

It is not a de Polignac number, because 11131110211 - 2¹ = 11131110209 is a prime.

It is a super-2 number, since 2×11131110211² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11131110191 and 11131110200.

It is not an unprimeable number, because it can be changed into a prime (11131110311) 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, 84606 + ... + 171523.

It is an arithmetic number, because the mean of its divisors is an integer number (1498872760).

Almost surely, 2^11131110211 is an apocalyptic number.

11131110211 is a deficient number, since it is larger than the sum of its proper divisors (859871869).

11131110211 is a wasteful number, since it uses less digits than its factorization.

11131110211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259485.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 11131110211 its reverse (11201113111), we get a palindrome (22332223322).

The spelling of 11131110211 in words is "eleven billion, one hundred thirty-one million, one hundred ten thousand, two hundred eleven".