1002202022002 has 4 divisors (see below), whose sum is σ = 1503303033006. Its totient is φ = 501101011000.

The previous prime is 1002202021969. The next prime is 1002202022123. The reversal of 1002202022002 is 2002202022001.

1002202022002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 980557433361 + 21644588641 = 990231^2 + 147121^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250550505499 + ... + 250550505502.

Almost surely, 2^{1002202022002} is an apocalyptic number.

1002202022002 is a deficient number, since it is larger than the sum of its proper divisors (501101011004).

1002202022002 is an equidigital number, since it uses as much as digits as its factorization.

1002202022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501101011003.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 1002202022002 its reverse (2002202022001), we get a palindrome (3004404044003).

Subtracting 1002202022002 from its reverse (2002202022001), we obtain a palindrome (999999999999).

The spelling of 1002202022002 in words is "one trillion, two billion, two hundred two million, twenty-two thousand, two".