102001111432 has 24 divisors (see below), whose sum is σ = 210219234750. Its totient is φ = 46364141120.

The previous prime is 102001111337. The next prime is 102001111451. The reversal of 102001111432 is 234111100201.

It can be written as a sum of positive squares in only one way, i.e., 101999751876 + 1359556 = 319374^2 + 1166^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52685557 + ... + 52687492.

Almost surely, 2^102001111432 is an apocalyptic number.

It is an amenable number.

102001111432 is an abundant number, since it is smaller than the sum of its proper divisors (108218123318).

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

102001111432 is a wasteful number, since it uses less digits than its factorization.

102001111432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105373077 (or 105373062 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 102001111432 its reverse (234111100201), we get a palindrome (336112211633).

The spelling of 102001111432 in words is "one hundred two billion, one million, one hundred eleven thousand, four hundred thirty-two".