111321021132122 has 16 divisors (see below), whose sum is σ = 167509175793192. Its totient is φ = 55484631064320.

The previous prime is 111321021132023. The next prime is 111321021132163. The reversal of 111321021132122 is 221231120123111.

It can be written as a sum of positive squares in 4 ways, for example, as 107403396600721 + 3917624531401 = 10363561^2 + 1979299^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166124222 + ... + 166792982.

Almost surely, 2^{111321021132122} is an apocalyptic number.

111321021132122 is a deficient number, since it is larger than the sum of its proper divisors (56188154661070).

111321021132122 is a wasteful number, since it uses less digits than its factorization.

111321021132122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931633.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 111321021132122 its reverse (221231120123111), we get a palindrome (332552141255233).

The spelling of 111321021132122 in words is "one hundred eleven trillion, three hundred twenty-one billion, twenty-one million, one hundred thirty-two thousand, one hundred twenty-two".