11320121323011 has 16 divisors (see below), whose sum is σ = 15775939952640. Its totient is φ = 7206617035200.

The previous prime is 11320121322989. The next prime is 11320121323097. The reversal of 11320121323011 is 11032312102311.

It is not a de Polignac number, because 11320121323011 - 2²⁵ = 11320087768579 is a prime.

It is a super-2 number, since 2×11320121323011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11321121323011) 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, 136447491 + ... + 136530428.

It is an arithmetic number, because the mean of its divisors is an integer number (985996247040).

Almost surely, 2^{11320121323011} is an apocalyptic number.

11320121323011 is a deficient number, since it is larger than the sum of its proper divisors (4455818629629).

11320121323011 is a wasteful number, since it uses less digits than its factorization.

11320121323011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272978546.

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

Adding to 11320121323011 its reverse (11032312102311), we get a palindrome (22352433425322).

The spelling of 11320121323011 in words is "eleven trillion, three hundred twenty billion, one hundred twenty-one million, three hundred twenty-three thousand, eleven".