11602120111 has 4 divisors (see below), whose sum is σ = 11602889712. Its totient is φ = 11601350512.

The previous prime is 11602120087. The next prime is 11602120147. The reversal of 11602120111 is 11102120611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11102120611 = 3449 ⋅3218939.

It is a cyclic number.

It is not a de Polignac number, because 11602120111 - 2¹³ = 11602111919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11602120511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361726 + ... + 392491.

It is an arithmetic number, because the mean of its divisors is an integer number (2900722428).

Almost surely, 2^11602120111 is an apocalyptic number.

11602120111 is a deficient number, since it is larger than the sum of its proper divisors (769601).

11602120111 is an equidigital number, since it uses as much as digits as its factorization.

11602120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769600.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 11602120111 its reverse (11102120611), we get a palindrome (22704240722).

The spelling of 11602120111 in words is "eleven billion, six hundred two million, one hundred twenty thousand, one hundred eleven".