102102220122 has 48 divisors (see below), whose sum is σ = 237667154400. Its totient is φ = 29156931552.

The previous prime is 102102220097. The next prime is 102102220123. The reversal of 102102220122 is 221022201201.

It is not an unprimeable number, because it can be changed into a prime (102102220123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 483913 + ... + 662099.

It is an arithmetic number, because the mean of its divisors is an integer number (4951399050).

Almost surely, 2^102102220122 is an apocalyptic number.

102102220122 is an abundant number, since it is smaller than the sum of its proper divisors (135564934278).

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

102102220122 is a wasteful number, since it uses less digits than its factorization.

102102220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180155 (or 180148 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102102220122 its reverse (221022201201), we get a palindrome (323124421323).

The spelling of 102102220122 in words is "one hundred two billion, one hundred two million, two hundred twenty thousand, one hundred twenty-two".