1131122011113 has 112 divisors (see below), whose sum is σ = 1907559561600. Its totient is φ = 666186094080.

The previous prime is 1131122011067. The next prime is 1131122011121. The reversal of 1131122011113 is 3111102211311.

1131122011113 is a `hidden beast` number, since 11 + 311 + 220 + 11 + 113 = 666.

It is not a de Polignac number, because 1131122011113 - 2⁸ = 1131122010857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1131122011813) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 25643868 + ... + 25687938.

It is an arithmetic number, because the mean of its divisors is an integer number (17031781800).

Almost surely, 2^{1131122011113} is an apocalyptic number.

It is an amenable number.

1131122011113 is a deficient number, since it is larger than the sum of its proper divisors (776437550487).

1131122011113 is a wasteful number, since it uses less digits than its factorization.

1131122011113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44234 (or 44219 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 1131122011113 its reverse (3111102211311), we get a palindrome (4242224222424).

The spelling of 1131122011113 in words is "one trillion, one hundred thirty-one billion, one hundred twenty-two million, eleven thousand, one hundred thirteen".