210220112212202 has 4 divisors (see below), whose sum is σ = 315330168318306. Its totient is φ = 105110056106100.

The previous prime is 210220112212163. The next prime is 210220112212207. The reversal of 210220112212202 is 202212211022012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 174314957659921 + 35905154552281 = 13202839^2 + 5992091^2 .

It is not an unprimeable number, because it can be changed into a prime (210220112212207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52555028053049 + ... + 52555028053052.

Almost surely, 2^{210220112212202} is an apocalyptic number.

210220112212202 is a deficient number, since it is larger than the sum of its proper divisors (105110056106104).

210220112212202 is a wasteful number, since it uses less digits than its factorization.

210220112212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105110056106103.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 210220112212202 its reverse (202212211022012), we get a palindrome (412432323234214).

The spelling of 210220112212202 in words is "two hundred ten trillion, two hundred twenty billion, one hundred twelve million, two hundred twelve thousand, two hundred two".