111120030312221 has 8 divisors (see below), whose sum is σ = 129947676644544. Its totient is φ = 93030723051840.

The previous prime is 111120030312149. The next prime is 111120030312229. The reversal of 111120030312221 is 122213030021111.

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

It is not a de Polignac number, because 111120030312221 - 2⁴⁶ = 40751286134557 is a prime.

It is a super-2 number, since 2×111120030312221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111120030312193 and 111120030312202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111120030312229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184584767660 + ... + 184584768261.

It is an arithmetic number, because the mean of its divisors is an integer number (16243459580568).

Almost surely, 2^{111120030312221} is an apocalyptic number.

It is an amenable number.

111120030312221 is a deficient number, since it is larger than the sum of its proper divisors (18827646332323).

111120030312221 is an equidigital number, since it uses as much as digits as its factorization.

111120030312221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369169535971.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 111120030312221 its reverse (122213030021111), we get a palindrome (233333060333332).

The spelling of 111120030312221 in words is "one hundred eleven trillion, one hundred twenty billion, thirty million, three hundred twelve thousand, two hundred twenty-one".