201000010201998 has 16 divisors (see below), whose sum is σ = 459428594747520. Its totient is φ = 57428574343416.

The previous prime is 201000010201997. The next prime is 201000010202051. The reversal of 201000010201998 is 899102010000102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201000010201997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2392857264268 + ... + 2392857264351.

It is an arithmetic number, because the mean of its divisors is an integer number (28714287171720).

Almost surely, 2^{201000010201998} is an apocalyptic number.

201000010201998 is an abundant number, since it is smaller than the sum of its proper divisors (258428584545522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201000010201998 is a wasteful number, since it uses less digits than its factorization.

201000010201998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4785714528631.

The product of its (nonzero) digits is 2592, while the sum is 33.

The spelling of 201000010201998 in words is "two hundred one trillion, ten million, two hundred one thousand, nine hundred ninety-eight".