201222122102 has 4 divisors (see below), whose sum is σ = 301833183156. Its totient is φ = 100611061050.

The previous prime is 201222122077. The next prime is 201222122119. The reversal of 201222122102 is 201221222102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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, 50305530524 + ... + 50305530527.

It is an arithmetic number, because the mean of its divisors is an integer number (75458295789).

Almost surely, 2^201222122102 is an apocalyptic number.

201222122102 is a deficient number, since it is larger than the sum of its proper divisors (100611061054).

201222122102 is a wasteful number, since it uses less digits than its factorization.

201222122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100611061053.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 201222122102 its reverse (201221222102), we get a palindrome (402443344204).

The spelling of 201222122102 in words is "two hundred one billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred two".