111021022120122 has 24 divisors (see below), whose sum is σ = 240545785595700. Its totient is φ = 37006970808960.

The previous prime is 111021022120109. The next prime is 111021022120157. The reversal of 111021022120122 is 221021220120111.

111021022120122 is a `hidden beast` number, since 1 + 1 + 10 + 210 + 221 + 201 + 22 = 666.

111021022120122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 71276836238721 + 39744185881401 = 8442561^2 + 6304299^2 .

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 = 111021022120095 and 111021022120104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20663472 + ... + 25475892.

Almost surely, 2^{111021022120122} is an apocalyptic number.

111021022120122 is an abundant number, since it is smaller than the sum of its proper divisors (129524763475578).

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

111021022120122 is a wasteful number, since it uses less digits than its factorization.

111021022120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6094078 (or 6094075 counting only the distinct ones).

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

Adding to 111021022120122 its reverse (221021220120111), we get a palindrome (332042242240233).

The spelling of 111021022120122 in words is "one hundred eleven trillion, twenty-one billion, twenty-two million, one hundred twenty thousand, one hundred twenty-two".