102111241552 has 20 divisors (see below), whose sum is σ = 197846160820. Its totient is φ = 51054167808.

The previous prime is 102111241543. The next prime is 102111241553. The reversal of 102111241552 is 255142111201.

It can be written as a sum of positive squares in 2 ways, for example, as 40062424336 + 62048817216 = 200156^2 + 249096^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102111241553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695068 + ... + 829060.

It is an arithmetic number, because the mean of its divisors is an integer number (9892308041).

Almost surely, 2^102111241552 is an apocalyptic number.

It is an amenable number.

102111241552 is a deficient number, since it is larger than the sum of its proper divisors (95734919268).

102111241552 is a wasteful number, since it uses less digits than its factorization.

102111241552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181630 (or 181624 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 25.

Adding to 102111241552 its reverse (255142111201), we get a palindrome (357253352753).

The spelling of 102111241552 in words is "one hundred two billion, one hundred eleven million, two hundred forty-one thousand, five hundred fifty-two".