1020000002102 has 16 divisors (see below), whose sum is σ = 1542104676000. Its totient is φ = 505973271360.

The previous prime is 1020000002101. The next prime is 1020000002107. The reversal of 1020000002102 is 2012000000201.

It is a self number, because there is not a number n which added to its sum of digits gives 1020000002102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020000002101) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1789799 + ... + 2289842.

It is an arithmetic number, because the mean of its divisors is an integer number (96381542250).

Almost surely, 2^{1020000002102} is an apocalyptic number.

1020000002102 is a deficient number, since it is larger than the sum of its proper divisors (522104673898).

1020000002102 is a wasteful number, since it uses less digits than its factorization.

1020000002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4080631.

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

Adding to 1020000002102 its reverse (2012000000201), we get a palindrome (3032000002303).

The spelling of 1020000002102 in words is "one trillion, twenty billion, two thousand, one hundred two".