1002121002102 has 32 divisors (see below), whose sum is σ = 2203136267904. Its totient is φ = 301354913600.

The previous prime is 1002121002053. The next prime is 1002121002143. The reversal of 1002121002102 is 2012001212001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57944223 + ... + 57961514.

It is an arithmetic number, because the mean of its divisors is an integer number (68848008372).

Almost surely, 2^{1002121002102} is an apocalyptic number.

1002121002102 is an abundant number, since it is smaller than the sum of its proper divisors (1201015265802).

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

1002121002102 is a wasteful number, since it uses less digits than its factorization.

1002121002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115905884.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1002121002102 its reverse (2012001212001), we get a palindrome (3014122214103).

The spelling of 1002121002102 in words is "one trillion, two billion, one hundred twenty-one million, two thousand, one hundred two".