10221021102210 has 16 divisors (see below), whose sum is σ = 24530450645376. Its totient is φ = 2725605627248.

The previous prime is 10221021102151. The next prime is 10221021102217. The reversal of 10221021102210 is 1220112012201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10221021102210.

It is not an unprimeable number, because it can be changed into a prime (10221021102217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170350351674 + ... + 170350351733.

It is an arithmetic number, because the mean of its divisors is an integer number (1533153165336).

Almost surely, 2^{10221021102210} is an apocalyptic number.

10221021102210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10221021102210 is an abundant number, since it is smaller than the sum of its proper divisors (14309429543166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10221021102210 is a wasteful number, since it uses less digits than its factorization.

10221021102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340700703417.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10221021102210 its reverse (1220112012201), we get a palindrome (11441133114411).

Subtracting from 10221021102210 its reverse (1220112012201), we obtain a palindrome (9000909090009).

The spelling of 10221021102210 in words is "ten trillion, two hundred twenty-one billion, twenty-one million, one hundred two thousand, two hundred ten".