2210202121210 has 16 divisors (see below), whose sum is σ = 4075397082792. Its totient is φ = 862517900800.

The previous prime is 2210202121207. The next prime is 2210202121241. The reversal of 2210202121210 is 121212020122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 720989490321 + 1489212630889 = 849111^2 + 1220333^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2695368031 + ... + 2695368850.

Almost surely, 2^{2210202121210} is an apocalyptic number.

2210202121210 is a deficient number, since it is larger than the sum of its proper divisors (1865194961582).

2210202121210 is a wasteful number, since it uses less digits than its factorization.

2210202121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5390736929.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2210202121210 its reverse (121212020122), we get a palindrome (2331414141332).

The spelling of 2210202121210 in words is "two trillion, two hundred ten billion, two hundred two million, one hundred twenty-one thousand, two hundred ten".