201144140101 has 4 divisors (see below), whose sum is σ = 201299946304. Its totient is φ = 200988333900.

The previous prime is 201144140089. The next prime is 201144140123. The reversal of 201144140101 is 101041441102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201144140101 - 2³³ = 192554205509 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 (201144140161) 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, 77901165 + ... + 77903746.

It is an arithmetic number, because the mean of its divisors is an integer number (50324986576).

Almost surely, 2^201144140101 is an apocalyptic number.

It is an amenable number.

201144140101 is a deficient number, since it is larger than the sum of its proper divisors (155806203).

201144140101 is a wasteful number, since it uses less digits than its factorization.

201144140101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155806202.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 201144140101 its reverse (101041441102), we get a palindrome (302185581203).

The spelling of 201144140101 in words is "two hundred one billion, one hundred forty-four million, one hundred forty thousand, one hundred one".