11130120211 has 8 divisors (see below), whose sum is σ = 12749116160. Its totient is φ = 9518368968.

The previous prime is 11130120203. The next prime is 11130120223. The reversal of 11130120211 is 11202103111.

It is a happy number.

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 11130120211 - 2³ = 11130120203 is a prime.

It is a super-2 number, since 2×11130120211² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11130120191 and 11130120200.

It is not an unprimeable number, because it can be changed into a prime (11130120241) 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, 1807881 + ... + 1814026.

It is an arithmetic number, because the mean of its divisors is an integer number (1593639520).

Almost surely, 2^11130120211 is an apocalyptic number.

11130120211 is a deficient number, since it is larger than the sum of its proper divisors (1618995949).

11130120211 is an equidigital number, since it uses as much as digits as its factorization.

11130120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622353.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11130120211 its reverse (11202103111), we get a palindrome (22332223322).

The spelling of 11130120211 in words is "eleven billion, one hundred thirty million, one hundred twenty thousand, two hundred eleven".