102052431111 has 48 divisors (see below), whose sum is σ = 145582956288. Its totient is φ = 63574886400.

The previous prime is 102052431097. The next prime is 102052431119. The reversal of 102052431111 is 111134250201.

It is not a de Polignac number, because 102052431111 - 2⁵ = 102052431079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102052431119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 105099856 + ... + 105100826.

It is an arithmetic number, because the mean of its divisors is an integer number (3032978256).

Almost surely, 2^102052431111 is an apocalyptic number.

102052431111 is a deficient number, since it is larger than the sum of its proper divisors (43530525177).

102052431111 is a wasteful number, since it uses less digits than its factorization.

102052431111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752 (or 1735 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 102052431111 its reverse (111134250201), we get a palindrome (213186681312).

The spelling of 102052431111 in words is "one hundred two billion, fifty-two million, four hundred thirty-one thousand, one hundred eleven".