21200210002 has 16 divisors (see below), whose sum is σ = 33164554752. Its totient is φ = 10152408960.

The previous prime is 21200209993. The next prime is 21200210029. The reversal of 21200210002 is 20001200212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1756558 + ... + 1768585.

It is an arithmetic number, because the mean of its divisors is an integer number (2072784672).

Almost surely, 2^21200210002 is an apocalyptic number.

21200210002 is a deficient number, since it is larger than the sum of its proper divisors (11964344750).

21200210002 is a wasteful number, since it uses less digits than its factorization.

21200210002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3525273.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 21200210002 its reverse (20001200212), we get a palindrome (41201410214).

The spelling of 21200210002 in words is "twenty-one billion, two hundred million, two hundred ten thousand, two".