111120202021122 has 96 divisors (see below), whose sum is σ = 276244425205632. Its totient is φ = 31622996927232.

The previous prime is 111120202021121. The next prime is 111120202021151. The reversal of 111120202021122 is 221120202021111.

111120202021122 is a `hidden beast` number, since 111 + 120 + 202 + 0 + 211 + 22 = 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 = 111120202021095 and 111120202021104.

It is not an unprimeable number, because it can be changed into a prime (111120202021121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83384838 + ... + 84706974.

It is an arithmetic number, because the mean of its divisors is an integer number (2877546095892).

Almost surely, 2^{111120202021122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111120202021122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138122212602816).

111120202021122 is an abundant number, since it is smaller than the sum of its proper divisors (165124223184510).

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

111120202021122 is a wasteful number, since it uses less digits than its factorization.

111120202021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324792 (or 1324789 counting only the distinct ones).

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

Adding to 111120202021122 its reverse (221120202021111), we get a palindrome (332240404042233).

The spelling of 111120202021122 in words is "one hundred eleven trillion, one hundred twenty billion, two hundred two million, twenty-one thousand, one hundred twenty-two".