201420111134 has 16 divisors (see below), whose sum is σ = 329871023856. Its totient is φ = 91478352000.

The previous prime is 201420111103. The next prime is 201420111143. The reversal of 201420111134 is 431111024102.

It is a super-2 number, since 2×201420111134² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3785177 + ... + 3838020.

It is an arithmetic number, because the mean of its divisors is an integer number (20616938991).

Almost surely, 2^201420111134 is an apocalyptic number.

201420111134 is a deficient number, since it is larger than the sum of its proper divisors (128450912722).

201420111134 is a wasteful number, since it uses less digits than its factorization.

201420111134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7624411.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 201420111134 its reverse (431111024102), we get a palindrome (632531135236).

The spelling of 201420111134 in words is "two hundred one billion, four hundred twenty million, one hundred eleven thousand, one hundred thirty-four".