111121331130011 has 4 divisors (see below), whose sum is σ = 111867111876000. Its totient is φ = 110375550384024.

The previous prime is 111121331130001. The next prime is 111121331130031. The reversal of 111121331130011 is 110031133121111.

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

It is a cyclic number.

It is not a de Polignac number, because 111121331130011 - 2¹⁸ = 111121330867867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111121331130001) 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, 372890372771 + ... + 372890373068.

It is an arithmetic number, because the mean of its divisors is an integer number (27966777969000).

Almost surely, 2^{111121331130011} is an apocalyptic number.

111121331130011 is a deficient number, since it is larger than the sum of its proper divisors (745780745989).

111121331130011 is an equidigital number, since it uses as much as digits as its factorization.

111121331130011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745780745988.

The product of its (nonzero) digits is 54, while the sum is 20.

Adding to 111121331130011 its reverse (110031133121111), we get a palindrome (221152464251122).

The spelling of 111121331130011 in words is "one hundred eleven trillion, one hundred twenty-one billion, three hundred thirty-one million, one hundred thirty thousand, eleven".