10020221210 has 16 divisors (see below), whose sum is σ = 18059745096. Its totient is φ = 4002900288.

The previous prime is 10020221207. The next prime is 10020221219. The reversal of 10020221210 is 1212202001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3694086841 + 6326134369 = 60779^2 + 79537^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10020221191 and 10020221200.

It is not an unprimeable number, because it can be changed into a prime (10020221219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640409 + ... + 655868.

Almost surely, 2^10020221210 is an apocalyptic number.

10020221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10020221210 is a deficient number, since it is larger than the sum of its proper divisors (8039523886).

10020221210 is a wasteful number, since it uses less digits than its factorization.

10020221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297057.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10020221210 its reverse (1212202001), we get a palindrome (11232423211).

The spelling of 10020221210 in words is "ten billion, twenty million, two hundred twenty-one thousand, two hundred ten".