102103521104 has 20 divisors (see below), whose sum is σ = 213042924276. Its totient is φ = 47124701952.

The previous prime is 102103521073. The next prime is 102103521131. The reversal of 102103521104 is 401125301201.

It can be written as a sum of positive squares in 2 ways, for example, as 59565283600 + 42538237504 = 244060^2 + 206248^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245440949 + ... + 245441364.

Almost surely, 2^102103521104 is an apocalyptic number.

It is an amenable number.

102103521104 is an abundant number, since it is smaller than the sum of its proper divisors (110939403172).

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

102103521104 is a wasteful number, since it uses less digits than its factorization.

102103521104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490882334 (or 490882328 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 102103521104 its reverse (401125301201), we get a palindrome (503228822305).

The spelling of 102103521104 in words is "one hundred two billion, one hundred three million, five hundred twenty-one thousand, one hundred four".