111000112120121 has 8 divisors (see below), whose sum is σ = 126864021385344. Its totient is φ = 95137890452640.

The previous prime is 111000112120069. The next prime is 111000112120171. The reversal of 111000112120121 is 121021211000111.

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

It is not a de Polignac number, because 111000112120121 - 2³⁰ = 110999038378297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111000112120096 and 111000112120105.

It is not an unprimeable number, because it can be changed into a prime (111000112120171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421758485 + ... + 422021586.

It is an arithmetic number, because the mean of its divisors is an integer number (15858002673168).

Almost surely, 2^{111000112120121} is an apocalyptic number.

It is an amenable number.

111000112120121 is a deficient number, since it is larger than the sum of its proper divisors (15863909265223).

111000112120121 is an equidigital number, since it uses as much as digits as its factorization.

111000112120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843798871.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111000112120121 its reverse (121021211000111), we get a palindrome (232021323120232).

The spelling of 111000112120121 in words is "one hundred eleven trillion, one hundred twelve million, one hundred twenty thousand, one hundred twenty-one".