122125105102 has 48 divisors (see below), whose sum is σ = 247309725312. Its totient is φ = 43921107360.

The previous prime is 122125105079. The next prime is 122125105139. The reversal of 122125105102 is 201501521221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 in 23 ways as a sum of consecutive naturals, for example, 2320188 + ... + 2372239.

It is an arithmetic number, because the mean of its divisors is an integer number (5152285944).

Almost surely, 2^122125105102 is an apocalyptic number.

122125105102 is an abundant number, since it is smaller than the sum of its proper divisors (125184620210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122125105102 is a wasteful number, since it uses less digits than its factorization.

122125105102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4692473 (or 4692460 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 122125105102 its reverse (201501521221), we get a palindrome (323626626323).

The spelling of 122125105102 in words is "one hundred twenty-two billion, one hundred twenty-five million, one hundred five thousand, one hundred two".