102224311252 has 96 divisors (see below), whose sum is σ = 220855219200. Its totient is φ = 40421348352.

The previous prime is 102224311171. The next prime is 102224311289. The reversal of 102224311252 is 252113422201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8068899 + ... + 8081557.

It is an arithmetic number, because the mean of its divisors is an integer number (2300575200).

Almost surely, 2^102224311252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102224311252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110427609600).

102224311252 is an abundant number, since it is smaller than the sum of its proper divisors (118630907948).

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

102224311252 is a wasteful number, since it uses less digits than its factorization.

102224311252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13085 (or 13083 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 102224311252 its reverse (252113422201), we get a palindrome (354337733453).

The spelling of 102224311252 in words is "one hundred two billion, two hundred twenty-four million, three hundred eleven thousand, two hundred fifty-two".