210021010001002 has 32 divisors (see below), whose sum is σ = 326270039958720. Its totient is φ = 101272682609280.

The previous prime is 210021010000969. The next prime is 210021010001003. The reversal of 210021010001002 is 200100010120012.

210021010001002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 210021010001002.

It is not an unprimeable number, because it can be changed into a prime (210021010001003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1210429918 + ... + 1210603414.

It is an arithmetic number, because the mean of its divisors is an integer number (10195938748710).

Almost surely, 2^{210021010001002} is an apocalyptic number.

210021010001002 is a deficient number, since it is larger than the sum of its proper divisors (116249029957718).

210021010001002 is a wasteful number, since it uses less digits than its factorization.

210021010001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197446.

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

Adding to 210021010001002 its reverse (200100010120012), we get a palindrome (410121020121014).

The spelling of 210021010001002 in words is "two hundred ten trillion, twenty-one billion, ten million, one thousand, two".