11121131013 has 8 divisors (see below), whose sum is σ = 14831515008. Its totient is φ = 7412417184.

The previous prime is 11121131011. The next prime is 11121131041. The reversal of 11121131013 is 31013112111.

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

It is not a de Polignac number, because 11121131013 - 2¹ = 11121131011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11121130983 and 11121131001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121131011) 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, 401920 + ... + 428697.

It is an arithmetic number, because the mean of its divisors is an integer number (1853939376).

Almost surely, 2^11121131013 is an apocalyptic number.

It is an amenable number.

11121131013 is a deficient number, since it is larger than the sum of its proper divisors (3710383995).

11121131013 is an equidigital number, since it uses as much as digits as its factorization.

11121131013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835083.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 11121131013 its reverse (31013112111), we get a palindrome (42134243124).

The spelling of 11121131013 in words is "eleven billion, one hundred twenty-one million, one hundred thirty-one thousand, thirteen".