102251542225 has 48 divisors (see below), whose sum is σ = 146054778880. Its totient is φ = 69560596800.

The previous prime is 102251542171. The next prime is 102251542271. The reversal of 102251542225 is 522245152201.

It is not a de Polignac number, because 102251542225 - 2⁹ = 102251541713 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17654080 + ... + 17659870.

Almost surely, 2^102251542225 is an apocalyptic number.

It is an amenable number.

102251542225 is a deficient number, since it is larger than the sum of its proper divisors (43803236655).

102251542225 is a wasteful number, since it uses less digits than its factorization.

102251542225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6590 (or 6585 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 102251542225 its reverse (522245152201), we get a palindrome (624496694426).

The spelling of 102251542225 in words is "one hundred two billion, two hundred fifty-one million, five hundred forty-two thousand, two hundred twenty-five".