111012103121 has 8 divisors (see below), whose sum is σ = 117545643360. Its totient is φ = 104478942528.

The previous prime is 111012103091. The next prime is 111012103129. The reversal of 111012103121 is 121301210111.

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 111012103121 - 2⁶ = 111012103057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111012103096 and 111012103105.

It is not an unprimeable number, because it can be changed into a prime (111012103129) 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, 695030 + ... + 839696.

It is an arithmetic number, because the mean of its divisors is an integer number (14693205420).

Almost surely, 2^111012103121 is an apocalyptic number.

It is an amenable number.

111012103121 is a deficient number, since it is larger than the sum of its proper divisors (6533540239).

111012103121 is a wasteful number, since it uses less digits than its factorization.

111012103121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189823.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 111012103121 its reverse (121301210111), we get a palindrome (232313313232).

The spelling of 111012103121 in words is "one hundred eleven billion, twelve million, one hundred three thousand, one hundred twenty-one".