1122212011323 has 16 divisors (see below), whose sum is σ = 1611865289216. Its totient is φ = 690384604320.

The previous prime is 1122212011247. The next prime is 1122212011339. The reversal of 1122212011323 is 3231102122211.

It is not a de Polignac number, because 1122212011323 - 2¹⁶ = 1122211945787 is a prime.

It is a super-2 number, since 2×1122212011323² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1122212011323.

It is not an unprimeable number, because it can be changed into a prime (1122212011343) 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, 4189315 + ... + 4449132.

It is an arithmetic number, because the mean of its divisors is an integer number (100741580576).

Almost surely, 2^{1122212011323} is an apocalyptic number.

1122212011323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1122212011323 is a deficient number, since it is larger than the sum of its proper divisors (489653277893).

1122212011323 is a wasteful number, since it uses less digits than its factorization.

1122212011323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8641794.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1122212011323 its reverse (3231102122211), we get a palindrome (4353314133534).

The spelling of 1122212011323 in words is "one trillion, one hundred twenty-two billion, two hundred twelve million, eleven thousand, three hundred twenty-three".