111120022221121 has 8 divisors (see below), whose sum is σ = 112302776106080. Its totient is φ = 109938027247488.

The previous prime is 111120022221073. The next prime is 111120022221151. The reversal of 111120022221121 is 121122220021111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 111120022221121 - 2²⁵ = 111119988666689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111120022221151) 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, 189433431 + ... + 190019116.

It is an arithmetic number, because the mean of its divisors is an integer number (14037847013260).

Almost surely, 2^{111120022221121} is an apocalyptic number.

It is an amenable number.

111120022221121 is a deficient number, since it is larger than the sum of its proper divisors (1182753884959).

111120022221121 is an equidigital number, since it uses as much as digits as its factorization.

111120022221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379455663.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 111120022221121 its reverse (121122220021111), we get a palindrome (232242242242232).

The spelling of 111120022221121 in words is "one hundred eleven trillion, one hundred twenty billion, twenty-two million, two hundred twenty-one thousand, one hundred twenty-one".