220210012121210 has 8 divisors (see below), whose sum is σ = 396378021818196. Its totient is φ = 88084004848480.

The previous prime is 220210012121201. The next prime is 220210012121213. The reversal of 220210012121210 is 12121210012022.

It can be written as a sum of positive squares in 2 ways, for example, as 201011742535321 + 19198269585889 = 14177861^2 + 4381583^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (220210012121213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11010500606051 + ... + 11010500606070.

Almost surely, 2^{220210012121210} is an apocalyptic number.

220210012121210 is a deficient number, since it is larger than the sum of its proper divisors (176168009696986).

220210012121210 is a wasteful number, since it uses less digits than its factorization.

220210012121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22021001212128.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 220210012121210 its reverse (12121210012022), we get a palindrome (232331222133232).

The spelling of 220210012121210 in words is "two hundred twenty trillion, two hundred ten billion, twelve million, one hundred twenty-one thousand, two hundred ten".