1011020102002 has 64 divisors (see below), whose sum is σ = 1667143296000. Its totient is φ = 457702705152.

The previous prime is 1011020101999. The next prime is 1011020102021. The reversal of 1011020102002 is 2002010201101.

It is a self number, because there is not a number n which added to its sum of digits gives 1011020102002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 370471374 + ... + 370474102.

It is an arithmetic number, because the mean of its divisors is an integer number (26049114000).

Almost surely, 2^{1011020102002} is an apocalyptic number.

1011020102002 is a deficient number, since it is larger than the sum of its proper divisors (656123193998).

1011020102002 is a wasteful number, since it uses less digits than its factorization.

1011020102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4003.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1011020102002 its reverse (2002010201101), we get a palindrome (3013030303103).

Subtracting 1011020102002 from its reverse (2002010201101), we obtain a palindrome (990990099099).

The spelling of 1011020102002 in words is "one trillion, eleven billion, twenty million, one hundred two thousand, two".