201010200111998 has 16 divisors (see below), whose sum is σ = 301869872176320. Its totient is φ = 100386926640000.

The previous prime is 201010200111991. The next prime is 201010200112147. The reversal of 201010200111998 is 899111002010102.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201010200111991) 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, 19031498 + ... + 27644498.

It is an arithmetic number, because the mean of its divisors is an integer number (18866867011020).

Almost surely, 2^{201010200111998} is an apocalyptic number.

201010200111998 is a deficient number, since it is larger than the sum of its proper divisors (100859672064322).

201010200111998 is a wasteful number, since it uses less digits than its factorization.

201010200111998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8626723.

The product of its (nonzero) digits is 2592, while the sum is 35.

The spelling of 201010200111998 in words is "two hundred one trillion, ten billion, two hundred million, one hundred eleven thousand, nine hundred ninety-eight".