1122122123321 has 4 divisors (see below), whose sum is σ = 1130312795892. Its totient is φ = 1113931450752.

The previous prime is 1122122123279. The next prime is 1122122123363. The reversal of 1122122123321 is 1233212212211.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1122122123279) and next prime (1122122123363).

It can be written as a sum of positive squares in 2 ways, for example, as 971841072400 + 150281050921 = 985820^2 + 387661^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122122123321 - 2³⁴ = 1104942254137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122122123621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4095336080 + ... + 4095336353.

It is an arithmetic number, because the mean of its divisors is an integer number (282578198973).

Almost surely, 2^{1122122123321} is an apocalyptic number.

It is an amenable number.

1122122123321 is a deficient number, since it is larger than the sum of its proper divisors (8190672571).

1122122123321 is an equidigital number, since it uses as much as digits as its factorization.

1122122123321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8190672570.

The product of its digits is 576, while the sum is 23.

Adding to 1122122123321 its reverse (1233212212211), we get a palindrome (2355334335532).

The spelling of 1122122123321 in words is "one trillion, one hundred twenty-two billion, one hundred twenty-two million, one hundred twenty-three thousand, three hundred twenty-one".