201018737121 has 8 divisors (see below), whose sum is σ = 276670950144. Its totient is φ = 129689507760.

The previous prime is 201018737119. The next prime is 201018737141. The reversal of 201018737121 is 121737810102.

201018737121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 201018737121 - 2¹ = 201018737119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201018737141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1080745806 + ... + 1080745991.

It is an arithmetic number, because the mean of its divisors is an integer number (34583868768).

Almost surely, 2^201018737121 is an apocalyptic number.

It is an amenable number.

201018737121 is a deficient number, since it is larger than the sum of its proper divisors (75652213023).

201018737121 is a wasteful number, since it uses less digits than its factorization.

201018737121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161491831.

The product of its (nonzero) digits is 4704, while the sum is 33.

The spelling of 201018737121 in words is "two hundred one billion, eighteen million, seven hundred thirty-seven thousand, one hundred twenty-one".