11120131211 has 4 divisors (see below), whose sum is σ = 12708721392. Its totient is φ = 9531541032.

The previous prime is 11120131199. The next prime is 11120131223. The reversal of 11120131211 is 11213102111.

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

It is an interprime number because it is at equal distance from previous prime (11120131199) and next prime (11120131223).

It is a cyclic number.

It is not a de Polignac number, because 11120131211 - 2⁶ = 11120131147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11120131261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 794295080 + ... + 794295093.

It is an arithmetic number, because the mean of its divisors is an integer number (3177180348).

Almost surely, 2^11120131211 is an apocalyptic number.

11120131211 is a deficient number, since it is larger than the sum of its proper divisors (1588590181).

11120131211 is an equidigital number, since it uses as much as digits as its factorization.

11120131211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588590180.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 11120131211 its reverse (11213102111), we get a palindrome (22333233322).

The spelling of 11120131211 in words is "eleven billion, one hundred twenty million, one hundred thirty-one thousand, two hundred eleven".