111013001 has 4 divisors (see below), whose sum is σ = 121105104. Its totient is φ = 100920900.

The previous prime is 111012997. The next prime is 111013027. The reversal of 111013001 is 100310111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100310111 = 11 ⋅9119101.

It is a cyclic number.

It is not a de Polignac number, because 111013001 - 2² = 111012997 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 111013001.

It is not an unprimeable number, because it can be changed into a prime (111013051) 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, 5046035 + ... + 5046056.

It is an arithmetic number, because the mean of its divisors is an integer number (30276276).

Almost surely, 2^111013001 is an apocalyptic number.

111013001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111013001 is a deficient number, since it is larger than the sum of its proper divisors (10092103).

111013001 is a wasteful number, since it uses less digits than its factorization.

111013001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10092102.

The product of its (nonzero) digits is 3, while the sum is 8.

The square root of 111013001 is about 10536.2707349422. The cubic root of 111013001 is about 480.6083158356.

Adding to 111013001 its reverse (100310111), we get a palindrome (211323112).

The spelling of 111013001 in words is "one hundred eleven million, thirteen thousand, one".