111122121101122 has 48 divisors (see below), whose sum is σ = 175087943398368. Its totient is φ = 52888422565440.

The previous prime is 111122121101111. The next prime is 111122121101143. The reversal of 111122121101122 is 221101121221111.

It is a self number, because there is not a number n which added to its sum of digits gives 111122121101122.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3447448318 + ... + 3447480550.

It is an arithmetic number, because the mean of its divisors is an integer number (3647665487466).

Almost surely, 2^{111122121101122} is an apocalyptic number.

111122121101122 is a deficient number, since it is larger than the sum of its proper divisors (63965822297246).

111122121101122 is a wasteful number, since it uses less digits than its factorization.

111122121101122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47935 (or 47912 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 111122121101122 its reverse (221101121221111), we get a palindrome (332223242322233).

The spelling of 111122121101122 in words is "one hundred eleven trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred one thousand, one hundred twenty-two".