1002100110102 has 144 divisors (see below), whose sum is σ = 2820316655520. Its totient is φ = 250379983872.

The previous prime is 1002100110097. The next prime is 1002100110163. The reversal of 1002100110102 is 2010110012001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

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 71 ways as a sum of consecutive naturals, for example, 256027 + ... + 1438662.

It is an arithmetic number, because the mean of its divisors is an integer number (19585532330).

Almost surely, 2^{1002100110102} is an apocalyptic number.

1002100110102 is an abundant number, since it is smaller than the sum of its proper divisors (1818216545418).

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

1002100110102 is a wasteful number, since it uses less digits than its factorization.

1002100110102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694755 (or 1694733 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1002100110102 its reverse (2010110012001), we get a palindrome (3012210122103).

The spelling of 1002100110102 in words is "one trillion, two billion, one hundred million, one hundred ten thousand, one hundred two".