201121222002222 has 8 divisors (see below), whose sum is σ = 402242444004456. Its totient is φ = 67040407334072.

The previous prime is 201121222002193. The next prime is 201121222002307. The reversal of 201121222002222 is 222200222121102.

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

201121222002222 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16760101833513 + ... + 16760101833524.

It is an arithmetic number, because the mean of its divisors is an integer number (50280305500557).

Almost surely, 2^{201121222002222} is an apocalyptic number.

201121222002222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201121222002222 is a wasteful number, since it uses less digits than its factorization.

201121222002222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33520203667042.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 201121222002222 its reverse (222200222121102), we get a palindrome (423321444123324).

The spelling of 201121222002222 in words is "two hundred one trillion, one hundred twenty-one billion, two hundred twenty-two million, two thousand, two hundred twenty-two".