122102201222 has 4 divisors (see below), whose sum is σ = 183153301836. Its totient is φ = 61051100610.

The previous prime is 122102201219. The next prime is 122102201251. The reversal of 122102201222 is 222102201221.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 122102201222.

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, 30525550304 + ... + 30525550307.

It is an arithmetic number, because the mean of its divisors is an integer number (45788325459).

Almost surely, 2^122102201222 is an apocalyptic number.

122102201222 is a deficient number, since it is larger than the sum of its proper divisors (61051100614).

122102201222 is an equidigital number, since it uses as much as digits as its factorization.

122102201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61051100613.

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

Adding to 122102201222 its reverse (222102201221), we get a palindrome (344204402443).

Subtracting 122102201222 from its reverse (222102201221), we obtain a palindrome (99999999999).

The spelling of 122102201222 in words is "one hundred twenty-two billion, one hundred two million, two hundred one thousand, two hundred twenty-two".