210220221111202 has 4 divisors (see below), whose sum is σ = 315330331666806. Its totient is φ = 105110110555600.

The previous prime is 210220221111179. The next prime is 210220221111203. The reversal of 210220221111202 is 202111122022012.

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., 121654260030601 + 88565961080601 = 11029699^2 + 9410949^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 210220221111202.

It is not an unprimeable number, because it can be changed into a prime (210220221111203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52555055277799 + ... + 52555055277802.

Almost surely, 2^{210220221111202} is an apocalyptic number.

210220221111202 is a deficient number, since it is larger than the sum of its proper divisors (105110110555604).

210220221111202 is a wasteful number, since it uses less digits than its factorization.

210220221111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105110110555603.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 210220221111202 its reverse (202111122022012), we get a palindrome (412331343133214).

The spelling of 210220221111202 in words is "two hundred ten trillion, two hundred twenty billion, two hundred twenty-one million, one hundred eleven thousand, two hundred two".