210220221020210 has 32 divisors (see below), whose sum is σ = 400656716278272. Its totient is φ = 79141393120000.

The previous prime is 210220221020197. The next prime is 210220221020279. The reversal of 210220221020210 is 12020122022012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39351839 + ... + 44373501.

It is an arithmetic number, because the mean of its divisors is an integer number (12520522383696).

Almost surely, 2^{210220221020210} is an apocalyptic number.

210220221020210 is a deficient number, since it is larger than the sum of its proper divisors (190436495258062).

210220221020210 is a wasteful number, since it uses less digits than its factorization.

210220221020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5267938.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 210220221020210 its reverse (12020122022012), we get a palindrome (222240343042222).

The spelling of 210220221020210 in words is "two hundred ten trillion, two hundred twenty billion, two hundred twenty-one million, twenty thousand, two hundred ten".