11012320123311 has 32 divisors (see below), whose sum is σ = 16285934992320. Its totient is φ = 6574976077824.

The previous prime is 11012320123291. The next prime is 11012320123313. The reversal of 11012320123311 is 11332102321011.

It is not a de Polignac number, because 11012320123311 - 2¹¹ = 11012320121263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012320123313) 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, 10300176 + ... + 11318933.

It is an arithmetic number, because the mean of its divisors is an integer number (508935468510).

Almost surely, 2^{11012320123311} is an apocalyptic number.

11012320123311 is a deficient number, since it is larger than the sum of its proper divisors (5273614869009).

11012320123311 is a wasteful number, since it uses less digits than its factorization.

11012320123311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21619515.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 11012320123311 its reverse (11332102321011), we get a palindrome (22344422444322).

The spelling of 11012320123311 in words is "eleven trillion, twelve billion, three hundred twenty million, one hundred twenty-three thousand, three hundred eleven".