201100431111 has 8 divisors (see below), whose sum is σ = 276783389184. Its totient is φ = 129742213560.

The previous prime is 201100431109. The next prime is 201100431113. The reversal of 201100431111 is 111134001102.

It is an interprime number because it is at equal distance from previous prime (201100431109) and next prime (201100431113).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201100431111 - 2¹ = 201100431109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201100431113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1081185021 + ... + 1081185206.

It is an arithmetic number, because the mean of its divisors is an integer number (34597923648).

Almost surely, 2^201100431111 is an apocalyptic number.

201100431111 is a deficient number, since it is larger than the sum of its proper divisors (75682958073).

201100431111 is a wasteful number, since it uses less digits than its factorization.

201100431111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162370261.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 201100431111 its reverse (111134001102), we get a palindrome (312234432213).

The spelling of 201100431111 in words is "two hundred one billion, one hundred million, four hundred thirty-one thousand, one hundred eleven".