11011122210123 has 12 divisors (see below), whose sum is σ = 18177090632688. Its totient is φ = 6292069834320.

The previous prime is 11011122210107. The next prime is 11011122210133. The reversal of 11011122210123 is 32101222111011.

It is a happy number.

It is not a de Polignac number, because 11011122210123 - 2⁴ = 11011122210107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11011122210096 and 11011122210105.

It is not an unprimeable number, because it can be changed into a prime (11011122210133) 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 11 ways as a sum of consecutive naturals, for example, 87389858748 + ... + 87389858873.

It is an arithmetic number, because the mean of its divisors is an integer number (1514757552724).

Almost surely, 2^{11011122210123} is an apocalyptic number.

11011122210123 is a deficient number, since it is larger than the sum of its proper divisors (7165968422565).

11011122210123 is a wasteful number, since it uses less digits than its factorization.

11011122210123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174779717634 (or 174779717631 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 11011122210123 its reverse (32101222111011), we get a palindrome (43112344321134).

The spelling of 11011122210123 in words is "eleven trillion, eleven billion, one hundred twenty-two million, two hundred ten thousand, one hundred twenty-three".