20132110111 has 4 divisors (see below), whose sum is σ = 20135191672. Its totient is φ = 20129028552.

The previous prime is 20132110109. The next prime is 20132110129. The reversal of 20132110111 is 11101123102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20132110111 - 2¹ = 20132110109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20132110091 and 20132110100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132110511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1530960 + ... + 1544053.

It is an arithmetic number, because the mean of its divisors is an integer number (5033797918).

Almost surely, 2^20132110111 is an apocalyptic number.

20132110111 is a deficient number, since it is larger than the sum of its proper divisors (3081561).

20132110111 is an equidigital number, since it uses as much as digits as its factorization.

20132110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081560.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 20132110111 its reverse (11101123102), we get a palindrome (31233233213).

The spelling of 20132110111 in words is "twenty billion, one hundred thirty-two million, one hundred ten thousand, one hundred eleven".