201222120210122 has 64 divisors (see below), whose sum is σ = 333165217132800. Its totient is φ = 90387084902400.

The previous prime is 201222120210071. The next prime is 201222120210151. The reversal of 201222120210122 is 221012021222102.

It is a junction number, because it is equal to n+sod(n) for n = 201222120210094 and 201222120210103.

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 31 ways as a sum of consecutive naturals, for example, 9294742754 + ... + 9294764402.

It is an arithmetic number, because the mean of its divisors is an integer number (5205706517700).

Almost surely, 2^{201222120210122} is an apocalyptic number.

201222120210122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201222120210122 is a deficient number, since it is larger than the sum of its proper divisors (131943096922678).

201222120210122 is a wasteful number, since it uses less digits than its factorization.

201222120210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30159.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 201222120210122 its reverse (221012021222102), we get a palindrome (422234141432224).

The spelling of 201222120210122 in words is "two hundred one trillion, two hundred twenty-two billion, one hundred twenty million, two hundred ten thousand, one hundred twenty-two".