210011021002 has 4 divisors (see below), whose sum is σ = 315016531506. Its totient is φ = 105005510500.

The previous prime is 210011020997. The next prime is 210011021083. The reversal of 210011021002 is 200120110012.

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., 108115358481 + 101895662521 = 328809^2 + 319211^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 210011021002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52502755249 + ... + 52502755252.

Almost surely, 2^210011021002 is an apocalyptic number.

210011021002 is a deficient number, since it is larger than the sum of its proper divisors (105005510504).

210011021002 is a wasteful number, since it uses less digits than its factorization.

210011021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105005510503.

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

Adding to 210011021002 its reverse (200120110012), we get a palindrome (410131131014).

The spelling of 210011021002 in words is "two hundred ten billion, eleven million, twenty-one thousand, two".