1002011220202 has 8 divisors (see below), whose sum is σ = 1508442884676. Its totient is φ = 499196925312.

The previous prime is 1002011220191. The next prime is 1002011220209. The reversal of 1002011220202 is 2020221102001.

It is a happy number.

1002011220202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 999302121801 + 2709098401 = 999651^2 + 52049^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1002011220209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 904341703 + ... + 904342810.

Almost surely, 2^{1002011220202} is an apocalyptic number.

1002011220202 is a deficient number, since it is larger than the sum of its proper divisors (506431664474).

1002011220202 is a wasteful number, since it uses less digits than its factorization.

1002011220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808684792.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1002011220202 its reverse (2020221102001), we get a palindrome (3022232322203).

The spelling of 1002011220202 in words is "one trillion, two billion, eleven million, two hundred twenty thousand, two hundred two".