102510522442 has 16 divisors (see below), whose sum is σ = 153958970880. Its totient is φ = 51190896528.

The previous prime is 102510522409. The next prime is 102510522467. The reversal of 102510522442 is 244225015201.

It is a happy number.

It is a super-2 number, since 2×102510522442² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102510522442.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11376703 + ... + 11385709.

It is an arithmetic number, because the mean of its divisors is an integer number (9622435680).

Almost surely, 2^102510522442 is an apocalyptic number.

102510522442 is a deficient number, since it is larger than the sum of its proper divisors (51448448438).

102510522442 is a wasteful number, since it uses less digits than its factorization.

102510522442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15525.

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 102510522442 its reverse (244225015201), we get a palindrome (346735537643).

The spelling of 102510522442 in words is "one hundred two billion, five hundred ten million, five hundred twenty-two thousand, four hundred forty-two".