102002003111 has 4 divisors (see below), whose sum is σ = 102005650824. Its totient is φ = 101998355400.

The previous prime is 102002003099. The next prime is 102002003183. The reversal of 102002003111 is 111300200201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102002003111 - 2³⁴ = 84822133927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102002003092 and 102002003101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102002003011) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1781585 + ... + 1837946.

It is an arithmetic number, because the mean of its divisors is an integer number (25501412706).

Almost surely, 2^102002003111 is an apocalyptic number.

102002003111 is a deficient number, since it is larger than the sum of its proper divisors (3647713).

102002003111 is an equidigital number, since it uses as much as digits as its factorization.

102002003111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3647712.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 102002003111 its reverse (111300200201), we get a palindrome (213302203312).

The spelling of 102002003111 in words is "one hundred two billion, two million, three thousand, one hundred eleven".