111120102102211 has 4 divisors (see below), whose sum is σ = 111122452057552. Its totient is φ = 111117752146872.

The previous prime is 111120102102197. The next prime is 111120102102221. The reversal of 111120102102211 is 112201201021111.

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 111120102102211 - 2²¹ = 111120100005059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111120102102221) 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, 1174906740 + ... + 1175001313.

It is an arithmetic number, because the mean of its divisors is an integer number (27780613014388).

Almost surely, 2^{111120102102211} is an apocalyptic number.

111120102102211 is a deficient number, since it is larger than the sum of its proper divisors (2349955341).

111120102102211 is an equidigital number, since it uses as much as digits as its factorization.

111120102102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349955340.

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

Adding to 111120102102211 its reverse (112201201021111), we get a palindrome (223321303123322).

The spelling of 111120102102211 in words is "one hundred eleven trillion, one hundred twenty billion, one hundred two million, one hundred two thousand, two hundred eleven".