123122111133 has 8 divisors (see below), whose sum is σ = 187614645568. Its totient is φ = 70355492064.

The previous prime is 123122111113. The next prime is 123122111171. The reversal of 123122111133 is 331111221321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123122111133 - 2⁸ = 123122110877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 5862957673 = 123122111133 / (1 + 2 + 3 + 1 + 2 + 2 + 1 + 1 + 1 + 1 + 3 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123122111113) 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, 2931478816 + ... + 2931478857.

It is an arithmetic number, because the mean of its divisors is an integer number (23451830696).

Almost surely, 2^123122111133 is an apocalyptic number.

It is an amenable number.

123122111133 is a deficient number, since it is larger than the sum of its proper divisors (64492534435).

123122111133 is an equidigital number, since it uses as much as digits as its factorization.

123122111133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5862957683.

The product of its digits is 216, while the sum is 21.

Adding to 123122111133 its reverse (331111221321), we get a palindrome (454233332454).

The spelling of 123122111133 in words is "one hundred twenty-three billion, one hundred twenty-two million, one hundred eleven thousand, one hundred thirty-three".