111111001112122 has 8 divisors (see below), whose sum is σ = 181818001819872. Its totient is φ = 50505000505500.

The previous prime is 111111001112119. The next prime is 111111001112173. The reversal of 111111001112122 is 221211100111111.

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 = 111111001112096 and 111111001112105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2525250025254 + ... + 2525250025297.

It is an arithmetic number, because the mean of its divisors is an integer number (22727250227484).

Almost surely, 2^{111111001112122} is an apocalyptic number.

111111001112122 is a deficient number, since it is larger than the sum of its proper divisors (70707000707750).

111111001112122 is a wasteful number, since it uses less digits than its factorization.

111111001112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050500050564.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 111111001112122 its reverse (221211100111111), we get a palindrome (332322101223233).

The spelling of 111111001112122 in words is "one hundred eleven trillion, one hundred eleven billion, one million, one hundred twelve thousand, one hundred twenty-two".