111120211221122 has 8 divisors (see below), whose sum is σ = 172427913963900. Its totient is φ = 53644239899824.

The previous prime is 111120211221121. The next prime is 111120211221161. The reversal of 111120211221122 is 221122112021111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 96401548028041 + 14718663193081 = 9818429^2 + 3836491^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 111120211221094 and 111120211221103.

It is not an unprimeable number, because it can be changed into a prime (111120211221121) 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 3 ways as a sum of consecutive naturals, for example, 957932855297 + ... + 957932855412.

Almost surely, 2^{111120211221122} is an apocalyptic number.

111120211221122 is a deficient number, since it is larger than the sum of its proper divisors (61307702742778).

111120211221122 is a wasteful number, since it uses less digits than its factorization.

111120211221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915865710740.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 111120211221122 its reverse (221122112021111), we get a palindrome (332242323242233).

The spelling of 111120211221122 in words is "one hundred eleven trillion, one hundred twenty billion, two hundred eleven million, two hundred twenty-one thousand, one hundred twenty-two".