1002021010202 has 8 divisors (see below), whose sum is σ = 1503037844436. Its totient is φ = 501008395392.

The previous prime is 1002021010147. The next prime is 1002021010229. The reversal of 1002021010202 is 2020101202001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 991755065161 + 10265945041 = 995869^2 + 101321^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1002021010202² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373013 + ... + 1463960.

Almost surely, 2^{1002021010202} is an apocalyptic number.

1002021010202 is a deficient number, since it is larger than the sum of its proper divisors (501016834234).

1002021010202 is a wasteful number, since it uses less digits than its factorization.

1002021010202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109712.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1002021010202 its reverse (2020101202001), we get a palindrome (3022122212203).

The spelling of 1002021010202 in words is "one trillion, two billion, twenty-one million, ten thousand, two hundred two".