20134132111 has 4 divisors (see below), whose sum is σ = 20134447312. Its totient is φ = 20133816912.

The previous prime is 20134132103. The next prime is 20134132147. The reversal of 20134132111 is 11123143102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11123143102 = 2 ⋅5561571551.

It is a cyclic number.

It is not a de Polignac number, because 20134132111 - 2³ = 20134132103 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 (20134135111) 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 3 ways as a sum of consecutive naturals, for example, 24075 + ... + 202108.

It is an arithmetic number, because the mean of its divisors is an integer number (5033611828).

Almost surely, 2^20134132111 is an apocalyptic number.

20134132111 is a deficient number, since it is larger than the sum of its proper divisors (315201).

20134132111 is an equidigital number, since it uses as much as digits as its factorization.

20134132111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315200.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 20134132111 its reverse (11123143102), we get a palindrome (31257275213).

The spelling of 20134132111 in words is "twenty billion, one hundred thirty-four million, one hundred thirty-two thousand, one hundred eleven".