11331020001223 has 64 divisors (see below), whose sum is σ = 12845162373120. Its totient is φ = 9924481843200.

The previous prime is 11331020001209. The next prime is 11331020001239. The reversal of 11331020001223 is 32210002013311.

It is a cyclic number.

It is not a de Polignac number, because 11331020001223 - 2¹⁷ = 11331019870151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11331020001223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331020005223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1735487623 + ... + 1735494151.

It is an arithmetic number, because the mean of its divisors is an integer number (200705662080).

Almost surely, 2^{11331020001223} is an apocalyptic number.

11331020001223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11331020001223 is a deficient number, since it is larger than the sum of its proper divisors (1514142371897).

11331020001223 is a wasteful number, since it uses less digits than its factorization.

11331020001223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7088.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11331020001223 its reverse (32210002013311), we get a palindrome (43541022014534).

The spelling of 11331020001223 in words is "eleven trillion, three hundred thirty-one billion, twenty million, one thousand, two hundred twenty-three".