102012200111 has 4 divisors (see below), whose sum is σ = 102062929224. Its totient is φ = 101961471000.

The previous prime is 102012200099. The next prime is 102012200113. The reversal of 102012200111 is 111002210201.

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 102012200111 - 2¹⁴ = 102012183727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102012200092 and 102012200101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102012200113) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 25361540 + ... + 25365561.

It is an arithmetic number, because the mean of its divisors is an integer number (25515732306).

Almost surely, 2^102012200111 is an apocalyptic number.

102012200111 is a deficient number, since it is larger than the sum of its proper divisors (50729113).

102012200111 is an equidigital number, since it uses as much as digits as its factorization.

102012200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50729112.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102012200111 its reverse (111002210201), we get a palindrome (213014410312).

The spelling of 102012200111 in words is "one hundred two billion, twelve million, two hundred thousand, one hundred eleven".