10211221120210 has 32 divisors (see below), whose sum is σ = 20249651121984. Its totient is φ = 3676407240000.

The previous prime is 10211221120171. The next prime is 10211221120211. The reversal of 10211221120210 is 1202112211201.

It is not an unprimeable number, because it can be changed into a prime (10211221120211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 459539796 + ... + 459562015.

It is an arithmetic number, because the mean of its divisors is an integer number (632801597562).

Almost surely, 2^{10211221120210} is an apocalyptic number.

10211221120210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10211221120210 is a deficient number, since it is larger than the sum of its proper divisors (10038430001774).

10211221120210 is a wasteful number, since it uses less digits than its factorization.

10211221120210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919101930.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10211221120210 its reverse (1202112211201), we get a palindrome (11413333331411).

The spelling of 10211221120210 in words is "ten trillion, two hundred eleven billion, two hundred twenty-one million, one hundred twenty thousand, two hundred ten".