2001002102 has 32 divisors (see below), whose sum is σ = 3501369504. Its totient is φ = 847552000.

The previous prime is 2001002077. The next prime is 2001002137. The reversal of 2001002102 is 2012001002.

It is a self number, because there is not a number n which added to its sum of digits gives 2001002102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11288 + ... + 64260.

It is an arithmetic number, because the mean of its divisors is an integer number (109417797).

Almost surely, 2^2001002102 is an apocalyptic number.

2001002102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2001002102 is a deficient number, since it is larger than the sum of its proper divisors (1500367402).

2001002102 is a wasteful number, since it uses less digits than its factorization.

2001002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53104.

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

The square root of 2001002102 is about 44732.5619878853. The cubic root of 2001002102 is about 1260.1314429936.

Adding to 2001002102 its reverse (2012001002), we get a palindrome (4013003104).

It can be divided in two parts, 200100 and 2102, that added together give a palindrome (202202).

The spelling of 2001002102 in words is "two billion, one million, two thousand, one hundred two".