102000001111 has 4 divisors (see below), whose sum is σ = 106434783792. Its totient is φ = 97565218432.

The previous prime is 102000001099. The next prime is 102000001141. The reversal of 102000001111 is 111100000201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102000001111 is a prime.

It is a Duffinian number.

102000001111 is a modest number, since divided by 1111 gives 1020 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 102000001094 and 102000001103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102000001141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2217391306 + ... + 2217391351.

It is an arithmetic number, because the mean of its divisors is an integer number (26608695948).

Almost surely, 2^102000001111 is an apocalyptic number.

102000001111 is a deficient number, since it is larger than the sum of its proper divisors (4434782681).

102000001111 is an equidigital number, since it uses as much as digits as its factorization.

102000001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4434782680.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 102000001111 its reverse (111100000201), we get a palindrome (213100001312).

The spelling of 102000001111 in words is "one hundred two billion, one thousand, one hundred eleven".