212221221202202 has 8 divisors (see below), whose sum is σ = 321306895652256. Its totient is φ = 105118922651452.

The previous prime is 212221221202181. The next prime is 212221221202271. The reversal of 212221221202202 is 202202122122212.

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

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, 495843974558 + ... + 495843974985.

It is an arithmetic number, because the mean of its divisors is an integer number (40163361956532).

Almost surely, 2^{212221221202202} is an apocalyptic number.

212221221202202 is a deficient number, since it is larger than the sum of its proper divisors (109085674450054).

212221221202202 is a wasteful number, since it uses less digits than its factorization.

212221221202202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991687949652.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 212221221202202 its reverse (202202122122212), we get a palindrome (414423343324414).

The spelling of 212221221202202 in words is "two hundred twelve trillion, two hundred twenty-one billion, two hundred twenty-one million, two hundred two thousand, two hundred two".