201222122122 has 8 divisors (see below), whose sum is σ = 344952209376. Its totient is φ = 86238052332.

The previous prime is 201222122119. The next prime is 201222122131. The reversal of 201222122122 is 221221222102.

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

It is a self number, because there is not a number n which added to its sum of digits gives 201222122122.

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, 7186504348 + ... + 7186504375.

It is an arithmetic number, because the mean of its divisors is an integer number (43119026172).

Almost surely, 2^201222122122 is an apocalyptic number.

201222122122 is a deficient number, since it is larger than the sum of its proper divisors (143730087254).

201222122122 is a wasteful number, since it uses less digits than its factorization.

201222122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14373008732.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 201222122122 its reverse (221221222102), we get a palindrome (422443344224).

The spelling of 201222122122 in words is "two hundred one billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred twenty-two".