1123221202213 has 12 divisors (see below), whose sum is σ = 1234660531104. Its totient is φ = 1021072560200.

The previous prime is 1123221202171. The next prime is 1123221202237. The reversal of 1123221202213 is 3122021223211.

It is not a de Polignac number, because 1123221202213 - 2⁹ = 1123221201701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123221272213) 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 11 ways as a sum of consecutive naturals, for example, 3440328 + ... + 3752638.

It is an arithmetic number, because the mean of its divisors is an integer number (102888377592).

Almost surely, 2^{1123221202213} is an apocalyptic number.

It is an amenable number.

1123221202213 is a deficient number, since it is larger than the sum of its proper divisors (111439328891).

1123221202213 is a wasteful number, since it uses less digits than its factorization.

1123221202213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342056 (or 342045 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1123221202213 its reverse (3122021223211), we get a palindrome (4245242425424).

The spelling of 1123221202213 in words is "one trillion, one hundred twenty-three billion, two hundred twenty-one million, two hundred two thousand, two hundred thirteen".