1122123213321 has 16 divisors (see below), whose sum is σ = 1651844033280. Its totient is φ = 671881002320.

The previous prime is 1122123213313. The next prime is 1122123213397. The reversal of 1122123213321 is 1233123212211.

It is not a de Polignac number, because 1122123213321 - 2³ = 1122123213313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1122123213291 and 1122123213300.

It is not an unprimeable number, because it can be changed into a prime (1122123213121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204839031 + ... + 204844508.

It is an arithmetic number, because the mean of its divisors is an integer number (103240252080).

Almost surely, 2^{1122123213321} is an apocalyptic number.

1122123213321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1122123213321 is a deficient number, since it is larger than the sum of its proper divisors (529720819959).

1122123213321 is a wasteful number, since it uses less digits than its factorization.

1122123213321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409683636.

The product of its digits is 864, while the sum is 24.

Adding to 1122123213321 its reverse (1233123212211), we get a palindrome (2355246425532).

The spelling of 1122123213321 in words is "one trillion, one hundred twenty-two billion, one hundred twenty-three million, two hundred thirteen thousand, three hundred twenty-one".