111001002122000 has 80 divisors (see below), whose sum is σ = 274642293649152. Its totient is φ = 43367833353600.

The previous prime is 111001002121993. The next prime is 111001002122029. The reversal of 111001002122000 is 221200100111.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 645268664 + ... + 645440663.

Almost surely, 2^{111001002122000} is an apocalyptic number.

111001002122000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111001002122000 is an abundant number, since it is smaller than the sum of its proper divisors (163641291527152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111001002122000 is a wasteful number, since it uses less digits than its factorization.

111001002122000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290709393 (or 1290709377 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111001002122000 its reverse (221200100111), we get a palindrome (111222202222111).

The spelling of 111001002122000 in words is "one hundred eleven trillion, one billion, two million, one hundred twenty-two thousand".