111103101021311 has 8 divisors (see below), whose sum is σ = 126975038664864. Its totient is φ = 95231179895040.

The previous prime is 111103101021277. The next prime is 111103101021313. The reversal of 111103101021311 is 113120101301111.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-111103101021311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111103101021311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111103101021313) 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, 18695591 + ... + 23910903.

It is an arithmetic number, because the mean of its divisors is an integer number (15871879833108).

Almost surely, 2^{111103101021311} is an apocalyptic number.

111103101021311 is a deficient number, since it is larger than the sum of its proper divisors (15871937643553).

111103101021311 is an equidigital number, since it uses as much as digits as its factorization.

111103101021311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8258641.

The product of its (nonzero) digits is 18, while the sum is 17.

Adding to 111103101021311 its reverse (113120101301111), we get a palindrome (224223202322422).

The spelling of 111103101021311 in words is "one hundred eleven trillion, one hundred three billion, one hundred one million, twenty-one thousand, three hundred eleven".