122122222102 has 4 divisors (see below), whose sum is σ = 183183333156. Its totient is φ = 61061111050.

The previous prime is 122122222081. The next prime is 122122222147. The reversal of 122122222102 is 201222221221.

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

It is a super-2 number, since 2×122122222102² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122122222102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30530555524 + ... + 30530555527.

It is an arithmetic number, because the mean of its divisors is an integer number (45795833289).

Almost surely, 2^122122222102 is an apocalyptic number.

122122222102 is a deficient number, since it is larger than the sum of its proper divisors (61061111054).

122122222102 is an equidigital number, since it uses as much as digits as its factorization.

122122222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61061111053.

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

Adding to 122122222102 its reverse (201222221221), we get a palindrome (323344443323).

The spelling of 122122222102 in words is "one hundred twenty-two billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred two".