111221200201122 has 48 divisors (see below), whose sum is σ = 262887175444608. Its totient is φ = 33703303969440.

The previous prime is 111221200201117. The next prime is 111221200201169. The reversal of 111221200201122 is 221102002122111.

111221200201122 is a `hidden beast` number, since 111 + 221 + 200 + 20 + 112 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111221200201095 and 111221200201104.

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, 141404128 + ... + 142188500.

It is an arithmetic number, because the mean of its divisors is an integer number (5476816155096).

Almost surely, 2^{111221200201122} is an apocalyptic number.

111221200201122 is an abundant number, since it is smaller than the sum of its proper divisors (151665975243486).

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

111221200201122 is a wasteful number, since it uses less digits than its factorization.

111221200201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500535 (or 1500532 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111221200201122 its reverse (221102002122111), we get a palindrome (332323202323233).

The spelling of 111221200201122 in words is "one hundred eleven trillion, two hundred twenty-one billion, two hundred million, two hundred one thousand, one hundred twenty-two".