111020000001211 has 6 divisors (see below), whose sum is σ = 129145714287180. Its totient is φ = 95160000000996.

The previous prime is 111020000001151. The next prime is 111020000001259. The reversal of 111020000001211 is 112100000020111.

It is not a de Polignac number, because 111020000001211 - 2¹¹ = 111019999999163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111020000001271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1132857142821 + ... + 1132857142918.

It is an arithmetic number, because the mean of its divisors is an integer number (21524285714530).

Almost surely, 2^{111020000001211} is an apocalyptic number.

111020000001211 is a deficient number, since it is larger than the sum of its proper divisors (18125714285969).

111020000001211 is an equidigital number, since it uses as much as digits as its factorization.

111020000001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2265714285753 (or 2265714285746 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111020000001211 its reverse (112100000020111), we get a palindrome (223120000021322).

The spelling of 111020000001211 in words is "one hundred eleven trillion, twenty billion, one thousand, two hundred eleven".