111041013221 has 8 divisors (see below), whose sum is σ = 113165177760. Its totient is φ = 108917924752.

The previous prime is 111041013191. The next prime is 111041013229. The reversal of 111041013221 is 122310140111.

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

It is not a de Polignac number, because 111041013221 - 2⁶ = 111041013157 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 111041013221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111041013229) 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, 59111 + ... + 474948.

It is an arithmetic number, because the mean of its divisors is an integer number (14145647220).

Almost surely, 2^111041013221 is an apocalyptic number.

It is an amenable number.

111041013221 is a deficient number, since it is larger than the sum of its proper divisors (2124164539).

111041013221 is an equidigital number, since it uses as much as digits as its factorization.

111041013221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538035.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 111041013221 its reverse (122310140111), we get a palindrome (233351153332).

The spelling of 111041013221 in words is "one hundred eleven billion, forty-one million, thirteen thousand, two hundred twenty-one".