2001111210102 has 8 divisors (see below), whose sum is σ = 4002222420216. Its totient is φ = 667037070032.

The previous prime is 2001111210071. The next prime is 2001111210139. The reversal of 2001111210102 is 2010121111002.

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

2001111210102 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 166759267503 + ... + 166759267514.

It is an arithmetic number, because the mean of its divisors is an integer number (500277802527).

Almost surely, 2^{2001111210102} is an apocalyptic number.

2001111210102 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.

2001111210102 is a wasteful number, since it uses less digits than its factorization.

2001111210102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333518535022.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2001111210102 its reverse (2010121111002), we get a palindrome (4011232321104).

The spelling of 2001111210102 in words is "two trillion, one billion, one hundred eleven million, two hundred ten thousand, one hundred two".