21210002211002 has 48 divisors (see below), whose sum is σ = 36284484841920. Its totient is φ = 9221082499200.

The previous prime is 21210002211001. The next prime is 21210002211029. The reversal of 21210002211002 is 20011220001212.

It is not an unprimeable number, because it can be changed into a prime (21210002211001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 186046274 + ... + 186160242.

It is an arithmetic number, because the mean of its divisors is an integer number (755926767540).

Almost surely, 2^{21210002211002} is an apocalyptic number.

21210002211002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21210002211002 is a deficient number, since it is larger than the sum of its proper divisors (15074482630918).

21210002211002 is a wasteful number, since it uses less digits than its factorization.

21210002211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130019 (or 129996 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21210002211002 its reverse (20011220001212), we get a palindrome (41221222212214).

The spelling of 21210002211002 in words is "twenty-one trillion, two hundred ten billion, two million, two hundred eleven thousand, two".