21202210020010 has 16 divisors (see below), whose sum is σ = 39395074102272. Its totient is φ = 8207307104400.

The previous prime is 21202210019989. The next prime is 21202210020011. The reversal of 21202210020010 is 1002001220212.

It is a happy number.

It is a super-2 number, since 2×21202210020010² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21202210020011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34197112626 + ... + 34197113245.

It is an arithmetic number, because the mean of its divisors is an integer number (2462192131392).

Almost surely, 2^{21202210020010} is an apocalyptic number.

21202210020010 is a deficient number, since it is larger than the sum of its proper divisors (18192864082262).

21202210020010 is a wasteful number, since it uses less digits than its factorization.

21202210020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68394225909.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 21202210020010 its reverse (1002001220212), we get a palindrome (22204211240222).

The spelling of 21202210020010 in words is "twenty-one trillion, two hundred two billion, two hundred ten million, twenty thousand, ten".