102122122102 has 32 divisors (see below), whose sum is σ = 205672529664. Its totient is φ = 36727236000.

The previous prime is 102122122099. The next prime is 102122122103. The reversal of 102122122102 is 201221221201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102122122103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25503024 + ... + 25507027.

It is an arithmetic number, because the mean of its divisors is an integer number (6427266552).

Almost surely, 2^102122122102 is an apocalyptic number.

102122122102 is an abundant number, since it is smaller than the sum of its proper divisors (103550407562).

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

102122122102 is a wasteful number, since it uses less digits than its factorization.

102122122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51010084.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102122122102 its reverse (201221221201), we get a palindrome (303343343303).

Subtracting 102122122102 from its reverse (201221221201), we obtain a palindrome (99099099099).

The spelling of 102122122102 in words is "one hundred two billion, one hundred twenty-two million, one hundred twenty-two thousand, one hundred two".