1123222110021 has 96 divisors (see below), whose sum is σ = 1937230663680. Its totient is φ = 619548652800.

The previous prime is 1123222110011. The next prime is 1123222110029. The reversal of 1123222110021 is 1200112223211.

1123222110021 is a `hidden beast` number, since 112 + 322 + 211 + 0 + 0 + 21 = 666.

It is not a de Polignac number, because 1123222110021 - 2⁹ = 1123222109509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1123222109976 and 1123222110003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123222110029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7918306 + ... + 8058908.

It is an arithmetic number, because the mean of its divisors is an integer number (20179486080).

Almost surely, 2^{1123222110021} is an apocalyptic number.

1123222110021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1123222110021 is a deficient number, since it is larger than the sum of its proper divisors (814008553659).

1123222110021 is a wasteful number, since it uses less digits than its factorization.

1123222110021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140807 (or 140804 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1123222110021 its reverse (1200112223211), we get a palindrome (2323334333232).

The spelling of 1123222110021 in words is "one trillion, one hundred twenty-three billion, two hundred twenty-two million, one hundred ten thousand, twenty-one".