111020321122 has 16 divisors (see below), whose sum is σ = 169467189120. Its totient is φ = 54532526608.

The previous prime is 111020321107. The next prime is 111020321123. The reversal of 111020321122 is 221123020111.

It is a junction number, because it is equal to n+sod(n) for n = 111020321096 and 111020321105.

It is not an unprimeable number, because it can be changed into a prime (111020321123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140893 + ... + 491824.

It is an arithmetic number, because the mean of its divisors is an integer number (10591699320).

Almost surely, 2^111020321122 is an apocalyptic number.

111020321122 is a deficient number, since it is larger than the sum of its proper divisors (58446867998).

111020321122 is a wasteful number, since it uses less digits than its factorization.

111020321122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634265.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 111020321122 its reverse (221123020111), we get a palindrome (332143341233).

The spelling of 111020321122 in words is "one hundred eleven billion, twenty million, three hundred twenty-one thousand, one hundred twenty-two".