2001100111102 has 16 divisors (see below), whose sum is σ = 3015900231552. Its totient is φ = 995803930240.

The previous prime is 2001100111061. The next prime is 2001100111121. The reversal of 2001100111102 is 2011110011002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55602 + ... + 2001322.

It is an arithmetic number, because the mean of its divisors is an integer number (188493764472).

Almost surely, 2^{2001100111102} is an apocalyptic number.

2001100111102 is a deficient number, since it is larger than the sum of its proper divisors (1014800120450).

2001100111102 is a wasteful number, since it uses less digits than its factorization.

2001100111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948163.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 2001100111102 its reverse (2011110011002), we get a palindrome (4012210122104).

The spelling of 2001100111102 in words is "two trillion, one billion, one hundred million, one hundred eleven thousand, one hundred two".