21002222002010 has 16 divisors (see below), whose sum is σ = 38368238404896. Its totient is φ = 8275502400528.

The previous prime is 21002222002007. The next prime is 21002222002051. The reversal of 21002222002010 is 1020022220012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15673299332 + ... + 15673300671.

It is an arithmetic number, because the mean of its divisors is an integer number (2398014900306).

Almost surely, 2^{21002222002010} is an apocalyptic number.

21002222002010 is a deficient number, since it is larger than the sum of its proper divisors (17366016402886).

21002222002010 is a wasteful number, since it uses less digits than its factorization.

21002222002010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31346600077.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 21002222002010 its reverse (1020022220012), we get a palindrome (22022244222022).

The spelling of 21002222002010 in words is "twenty-one trillion, two billion, two hundred twenty-two million, two thousand, ten".