111031043201 has 8 divisors (see below), whose sum is σ = 119577298344. Its totient is φ = 102485560320.

The previous prime is 111031043173. The next prime is 111031043209. The reversal of 111031043201 is 102340130111.

It can be written as a sum of positive squares in 4 ways, for example, as 5226567025 + 105804476176 = 72295^2 + 325276^2 .

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-111031043201 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 111031043201.

It is not an unprimeable number, because it can be changed into a prime (111031043209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124961 + ... + 487521.

It is an arithmetic number, because the mean of its divisors is an integer number (14947162293).

Almost surely, 2^111031043201 is an apocalyptic number.

It is an amenable number.

111031043201 is a deficient number, since it is larger than the sum of its proper divisors (8546255143).

111031043201 is a wasteful number, since it uses less digits than its factorization.

111031043201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386131.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 111031043201 its reverse (102340130111), we get a palindrome (213371173312).

It can be divided in two parts, 1110310 and 43201, that added together give a palindrome (1153511).

The spelling of 111031043201 in words is "one hundred eleven billion, thirty-one million, forty-three thousand, two hundred one".