111122122112122 has 32 divisors (see below), whose sum is σ = 187711430054400. Its totient is φ = 48878212843200.

The previous prime is 111122122112101. The next prime is 111122122112143. The reversal of 111122122112122 is 221211221221111.

It is an interprime number because it is at equal distance from previous prime (111122122112101) and next prime (111122122112143).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 111122122112093 and 111122122112102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9308004 + ... + 17575072.

It is an arithmetic number, because the mean of its divisors is an integer number (5865982189200).

Almost surely, 2^{111122122112122} is an apocalyptic number.

111122122112122 is a deficient number, since it is larger than the sum of its proper divisors (76589307942278).

111122122112122 is a wasteful number, since it uses less digits than its factorization.

111122122112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8286822.

The product of its digits is 128, while the sum is 22.

Adding to 111122122112122 its reverse (221211221221111), we get a palindrome (332333343333233).

The spelling of 111122122112122 in words is "one hundred eleven trillion, one hundred twenty-two billion, one hundred twenty-two million, one hundred twelve thousand, one hundred twenty-two".