111142110211 has 16 divisors (see below), whose sum is σ = 125591925600. Its totient is φ = 97425798400.

The previous prime is 111142110197. The next prime is 111142110221. The reversal of 111142110211 is 112011241111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111142110211 - 2¹⁹ = 111141585923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111142110221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13845 + ... + 471673.

It is an arithmetic number, because the mean of its divisors is an integer number (7849495350).

Almost surely, 2^111142110211 is an apocalyptic number.

111142110211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111142110211 is a deficient number, since it is larger than the sum of its proper divisors (14449815389).

111142110211 is a wasteful number, since it uses less digits than its factorization.

111142110211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458630.

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

Adding to 111142110211 its reverse (112011241111), we get a palindrome (223153351322).

The spelling of 111142110211 in words is "one hundred eleven billion, one hundred forty-two million, one hundred ten thousand, two hundred eleven".