201134442101 has 4 divisors (see below), whose sum is σ = 201163277292. Its totient is φ = 201105606912.

The previous prime is 201134442083. The next prime is 201134442127. The reversal of 201134442101 is 101244431102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 88390263025 + 112744179076 = 297305^2 + 335774^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201134442101 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 (201134445101) 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, 14407130 + ... + 14421083.

It is an arithmetic number, because the mean of its divisors is an integer number (50290819323).

Almost surely, 2^201134442101 is an apocalyptic number.

It is an amenable number.

201134442101 is a deficient number, since it is larger than the sum of its proper divisors (28835191).

201134442101 is an equidigital number, since it uses as much as digits as its factorization.

201134442101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28835190.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 201134442101 its reverse (101244431102), we get a palindrome (302378873203).

The spelling of 201134442101 in words is "two hundred one billion, one hundred thirty-four million, four hundred forty-two thousand, one hundred one".