10211221210 has 16 divisors (see below), whose sum is σ = 18558648576. Its totient is φ = 4044832848.

The previous prime is 10211221183. The next prime is 10211221219. The reversal of 10211221210 is 1212211201.

10211221210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (10211221219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4955874 + ... + 4957933.

It is an arithmetic number, because the mean of its divisors is an integer number (1159915536).

Almost surely, 2^10211221210 is an apocalyptic number.

10211221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10211221210 is a deficient number, since it is larger than the sum of its proper divisors (8347427366).

10211221210 is a wasteful number, since it uses less digits than its factorization.

10211221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9913917.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10211221210 its reverse (1212211201), we get a palindrome (11423432411).

The spelling of 10211221210 in words is "ten billion, two hundred eleven million, two hundred twenty-one thousand, two hundred ten".