111143131023122 has 32 divisors (see below), whose sum is σ = 188145035366400. Its totient is φ = 48776756828800.

The previous prime is 111143131023121. The next prime is 111143131023161. The reversal of 111143131023122 is 221320131341111.

It is a junction number, because it is equal to n+sod(n) for n = 111143131023091 and 111143131023100.

It is not an unprimeable number, because it can be changed into a prime (111143131023121) 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 15 ways as a sum of consecutive naturals, for example, 38759279 + ... + 41527917.

It is an arithmetic number, because the mean of its divisors is an integer number (5879532355200).

Almost surely, 2^{111143131023122} is an apocalyptic number.

111143131023122 is a deficient number, since it is larger than the sum of its proper divisors (77001904343278).

111143131023122 is a wasteful number, since it uses less digits than its factorization.

111143131023122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831602.

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 111143131023122 its reverse (221320131341111), we get a palindrome (332463262364233).

The spelling of 111143131023122 in words is "one hundred eleven trillion, one hundred forty-three billion, one hundred thirty-one million, twenty-three thousand, one hundred twenty-two".