221000210220202 has 64 divisors (see below), whose sum is σ = 384319112306688. Its totient is φ = 93358281744000.

The previous prime is 221000210220173. The next prime is 221000210220233. The reversal of 221000210220202 is 202022012000122.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 368839677 + ... + 369438367.

It is an arithmetic number, because the mean of its divisors is an integer number (6004986129792).

Almost surely, 2^{221000210220202} is an apocalyptic number.

221000210220202 is a deficient number, since it is larger than the sum of its proper divisors (163318902086486).

221000210220202 is a wasteful number, since it uses less digits than its factorization.

221000210220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599995.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 221000210220202 its reverse (202022012000122), we get a palindrome (423022222220324).

The spelling of 221000210220202 in words is "two hundred twenty-one trillion, two hundred ten million, two hundred twenty thousand, two hundred two".