201222322124 has 6 divisors (see below), whose sum is σ = 352139063724. Its totient is φ = 100611161060.

The previous prime is 201222322109. The next prime is 201222322159. The reversal of 201222322124 is 421223222102.

It is a self number, because there is not a number n which added to its sum of digits gives 201222322124.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25152790262 + ... + 25152790269.

It is an arithmetic number, because the mean of its divisors is an integer number (58689843954).

Almost surely, 2^201222322124 is an apocalyptic number.

It is an amenable number.

201222322124 is a deficient number, since it is larger than the sum of its proper divisors (150916741600).

201222322124 is a wasteful number, since it uses less digits than its factorization.

201222322124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50305580535 (or 50305580533 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 201222322124 its reverse (421223222102), we get a palindrome (622445544226).

The spelling of 201222322124 in words is "two hundred one billion, two hundred twenty-two million, three hundred twenty-two thousand, one hundred twenty-four".