102211100111 has 4 divisors (see below), whose sum is σ = 102211853712. Its totient is φ = 102210346512.

The previous prime is 102211100107. The next prime is 102211100113. The reversal of 102211100111 is 111001112201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 111001112201 = 7 ⋅15857301743.

It is a cyclic number.

It is not a de Polignac number, because 102211100111 - 2² = 102211100107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102211100092 and 102211100101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102211100113) 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, 110726 + ... + 465491.

It is an arithmetic number, because the mean of its divisors is an integer number (25552963428).

Almost surely, 2^102211100111 is an apocalyptic number.

102211100111 is a deficient number, since it is larger than the sum of its proper divisors (753601).

102211100111 is an equidigital number, since it uses as much as digits as its factorization.

102211100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753600.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 102211100111 its reverse (111001112201), we get a palindrome (213212212312).

The spelling of 102211100111 in words is "one hundred two billion, two hundred eleven million, one hundred thousand, one hundred eleven".