201121213222222 has 8 divisors (see below), whose sum is σ = 304449542951400. Its totient is φ = 99638032238424.

The previous prime is 201121213222213. The next prime is 201121213222289. The reversal of 201121213222222 is 222222312121102.

It is a happy number.

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

It is a congruent number.

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, 461287186072 + ... + 461287186507.

It is an arithmetic number, because the mean of its divisors is an integer number (38056192868925).

Almost surely, 2^{201121213222222} is an apocalyptic number.

201121213222222 is a deficient number, since it is larger than the sum of its proper divisors (103328329729178).

201121213222222 is a wasteful number, since it uses less digits than its factorization.

201121213222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922574372690.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 201121213222222 its reverse (222222312121102), we get a palindrome (423343525343324).

The spelling of 201121213222222 in words is "two hundred one trillion, one hundred twenty-one billion, two hundred thirteen million, two hundred twenty-two thousand, two hundred twenty-two".