1223332211121 has 64 divisors (see below), whose sum is σ = 1795359406080. Its totient is φ = 738742394880.

The previous prime is 1223332211119. The next prime is 1223332211147. The reversal of 1223332211121 is 1211122333221.

It is not a de Polignac number, because 1223332211121 - 2¹ = 1223332211119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1223332211091 and 1223332211100.

It is not an unprimeable number, because it can be changed into a prime (1223332211821) 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 63 ways as a sum of consecutive naturals, for example, 27619425 + ... + 27663681.

It is an arithmetic number, because the mean of its divisors is an integer number (28052490720).

Almost surely, 2^{1223332211121} is an apocalyptic number.

It is an amenable number.

1223332211121 is a deficient number, since it is larger than the sum of its proper divisors (572027194959).

1223332211121 is a wasteful number, since it uses less digits than its factorization.

1223332211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44634.

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

Adding to 1223332211121 its reverse (1211122333221), we get a palindrome (2434454544342).

The spelling of 1223332211121 in words is "one trillion, two hundred twenty-three billion, three hundred thirty-two million, two hundred eleven thousand, one hundred twenty-one".