1002001011198 has 32 divisors (see below), whose sum is σ = 2186966044800. Its totient is φ = 303528056160.

The previous prime is 1002001011181. The next prime is 1002001011223. The reversal of 1002001011198 is 8911101002001.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2529348 + ... + 2898551.

It is an arithmetic number, because the mean of its divisors is an integer number (68342688900).

Almost surely, 2^{1002001011198} is an apocalyptic number.

1002001011198 is an abundant number, since it is smaller than the sum of its proper divisors (1184965033602).

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

1002001011198 is a wasteful number, since it uses less digits than its factorization.

1002001011198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5430712.

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

Adding to 1002001011198 its reverse (8911101002001), we get a palindrome (9913102013199).

The spelling of 1002001011198 in words is "one trillion, two billion, one million, eleven thousand, one hundred ninety-eight".