11331220211323 has 16 divisors (see below), whose sum is σ = 11477695832064. Its totient is φ = 11185838959680.

The previous prime is 11331220211321. The next prime is 11331220211329. The reversal of 11331220211323 is 32311202213311.

It is a cyclic number.

It is not a de Polignac number, because 11331220211323 - 2¹ = 11331220211321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331220211321) 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, 17814886 + ... + 18439972.

It is an arithmetic number, because the mean of its divisors is an integer number (717355989504).

Almost surely, 2^{11331220211323} is an apocalyptic number.

11331220211323 is a deficient number, since it is larger than the sum of its proper divisors (146475620741).

11331220211323 is a wasteful number, since it uses less digits than its factorization.

11331220211323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625962.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 11331220211323 its reverse (32311202213311), we get a palindrome (43642422424634).

The spelling of 11331220211323 in words is "eleven trillion, three hundred thirty-one billion, two hundred twenty million, two hundred eleven thousand, three hundred twenty-three".