1001201001198 has 8 divisors (see below), whose sum is σ = 2002402002408. Its totient is φ = 333733667064.

The previous prime is 1001201001191. The next prime is 1001201001217. The reversal of 1001201001198 is 8911001021001.

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

1001201001198 is an admirable 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 (1001201001191) 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, 83433416761 + ... + 83433416772.

It is an arithmetic number, because the mean of its divisors is an integer number (250300250301).

Almost surely, 2^{1001201001198} is an apocalyptic number.

1001201001198 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1001201001198 is a wasteful number, since it uses less digits than its factorization.

1001201001198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166866833538.

The product of its (nonzero) digits is 144, while the sum is 24.

Adding to 1001201001198 its reverse (8911001021001), we get a palindrome (9912202022199).

The spelling of 1001201001198 in words is "one trillion, one billion, two hundred one million, one thousand, one hundred ninety-eight".