11101320121023 has 48 divisors (see below), whose sum is σ = 17813760382080. Its totient is φ = 6605121153600.

The previous prime is 11101320120977. The next prime is 11101320121043. The reversal of 11101320121023 is 32012102310111.

11101320121023 is a `hidden beast` number, since 1 + 110 + 1 + 320 + 1 + 210 + 23 = 666.

It is not a de Polignac number, because 11101320121023 - 2¹⁰ = 11101320119999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11101320120987 and 11101320121005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101320121043) 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 47 ways as a sum of consecutive naturals, for example, 1400968 + ... + 4915826.

It is an arithmetic number, because the mean of its divisors is an integer number (371120007960).

Almost surely, 2^{11101320121023} is an apocalyptic number.

11101320121023 is a deficient number, since it is larger than the sum of its proper divisors (6712440261057).

11101320121023 is a wasteful number, since it uses less digits than its factorization.

11101320121023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3515460 (or 3515457 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 11101320121023 its reverse (32012102310111), we get a palindrome (43113422431134).

The spelling of 11101320121023 in words is "eleven trillion, one hundred one billion, three hundred twenty million, one hundred twenty-one thousand, twenty-three".