210021110002 has 16 divisors (see below), whose sum is σ = 344376614592. Its totient is φ = 95268111120.

The previous prime is 210021109973. The next prime is 210021110003. The reversal of 210021110002 is 200011120012.

It is not an unprimeable number, because it can be changed into a prime (210021110003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9790533 + ... + 9811960.

It is an arithmetic number, because the mean of its divisors is an integer number (21523538412).

Almost surely, 2^210021110002 is an apocalyptic number.

210021110002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210021110002 is a deficient number, since it is larger than the sum of its proper divisors (134355504590).

210021110002 is a wasteful number, since it uses less digits than its factorization.

210021110002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19602993.

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

Adding to 210021110002 its reverse (200011120012), we get a palindrome (410032230014).

It can be divided in two parts, 210021 and 110002, that added together give a palindrome (320023).

The spelling of 210021110002 in words is "two hundred ten billion, twenty-one million, one hundred ten thousand, two".