11121323131011 has 32 divisors (see below), whose sum is σ = 15629225103360. Its totient is φ = 7014838670496.

The previous prime is 11121323130997. The next prime is 11121323131031. The reversal of 11121323131011 is 11013132312111.

It is not a de Polignac number, because 11121323131011 - 2⁹ = 11121323130499 is a prime.

It is a super-3 number, since 3×11121323131011³ (a number of 40 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11121323131031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 349195090 + ... + 349226936.

It is an arithmetic number, because the mean of its divisors is an integer number (488413284480).

Almost surely, 2^{11121323131011} is an apocalyptic number.

11121323131011 is a deficient number, since it is larger than the sum of its proper divisors (4507901972349).

11121323131011 is a wasteful number, since it uses less digits than its factorization.

11121323131011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39663.

The product of its (nonzero) digits is 108, while the sum is 21.

Adding to 11121323131011 its reverse (11013132312111), we get a palindrome (22134455443122).

The spelling of 11121323131011 in words is "eleven trillion, one hundred twenty-one billion, three hundred twenty-three million, one hundred thirty-one thousand, eleven".