221022002220202 has 8 divisors (see below), whose sum is σ = 348982108768800. Its totient is φ = 104694632630604.

The previous prime is 221022002220181. The next prime is 221022002220251. The reversal of 221022002220202 is 202022200220122.

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

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 221022002220202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2908184239702 + ... + 2908184239777.

It is an arithmetic number, because the mean of its divisors is an integer number (43622763596100).

Almost surely, 2^{221022002220202} is an apocalyptic number.

221022002220202 is a deficient number, since it is larger than the sum of its proper divisors (127960106548598).

221022002220202 is a wasteful number, since it uses less digits than its factorization.

221022002220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5816368479500.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 221022002220202 its reverse (202022200220122), we get a palindrome (423044202440324).

The spelling of 221022002220202 in words is "two hundred twenty-one trillion, twenty-two billion, two million, two hundred twenty thousand, two hundred two".