111120000212121 has 8 divisors (see below), whose sum is σ = 156875294417184. Its totient is φ = 69722353074240.

The previous prime is 111120000212119. The next prime is 111120000212129. The reversal of 111120000212121 is 121212000021111.

It is a happy number.

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

It is not a de Polignac number, because 111120000212121 - 2¹ = 111120000212119 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 111120000212121.

It is not an unprimeable number, because it can be changed into a prime (111120000212129) 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, 1089411766735 + ... + 1089411766836.

It is an arithmetic number, because the mean of its divisors is an integer number (19609411802148).

Almost surely, 2^{111120000212121} is an apocalyptic number.

It is an amenable number.

111120000212121 is a deficient number, since it is larger than the sum of its proper divisors (45755294205063).

111120000212121 is a wasteful number, since it uses less digits than its factorization.

111120000212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178823533591.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111120000212121 its reverse (121212000021111), we get a palindrome (232332000233232).

The spelling of 111120000212121 in words is "one hundred eleven trillion, one hundred twenty billion, two hundred twelve thousand, one hundred twenty-one".