1223213003311 has 32 divisors (see below), whose sum is σ = 1385770176000. Its totient is φ = 1071250316928.

The previous prime is 1223213003297. The next prime is 1223213003317. The reversal of 1223213003311 is 1133003123221.

It is not a de Polignac number, because 1223213003311 - 2⁵ = 1223213003279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223213003317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46077880 + ... + 46104418.

It is an arithmetic number, because the mean of its divisors is an integer number (43305318000).

Almost surely, 2^{1223213003311} is an apocalyptic number.

1223213003311 is a deficient number, since it is larger than the sum of its proper divisors (162557172689).

1223213003311 is a wasteful number, since it uses less digits than its factorization.

1223213003311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27823.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1223213003311 its reverse (1133003123221), we get a palindrome (2356216126532).

The spelling of 1223213003311 in words is "one trillion, two hundred twenty-three billion, two hundred thirteen million, three thousand, three hundred eleven".