111120101110221 has 16 divisors (see below), whose sum is σ = 169328630004864. Its totient is φ = 63496165017024.

The previous prime is 111120101110159. The next prime is 111120101110241. The reversal of 111120101110221 is 122011101021111.

It is not a de Polignac number, because 111120101110221 - 2²⁹ = 111119564239309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111120101110221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111120101110241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41831550 + ... + 44408543.

It is an arithmetic number, because the mean of its divisors is an integer number (10583039375304).

Almost surely, 2^{111120101110221} is an apocalyptic number.

It is an amenable number.

111120101110221 is a deficient number, since it is larger than the sum of its proper divisors (58208528894643).

111120101110221 is an equidigital number, since it uses as much as digits as its factorization.

111120101110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86301460.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111120101110221 its reverse (122011101021111), we get a palindrome (233131202131332).

The spelling of 111120101110221 in words is "one hundred eleven trillion, one hundred twenty billion, one hundred one million, one hundred ten thousand, two hundred twenty-one".