111020211020101 has 8 divisors (see below), whose sum is σ = 111880217696544. Its totient is φ = 110160394103760.

The previous prime is 111020211020071. The next prime is 111020211020141. The reversal of 111020211020101 is 101020112020111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111020211020101 - 2¹¹ = 111020211018053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111020211020141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46265271 + ... + 48605716.

It is an arithmetic number, because the mean of its divisors is an integer number (13985027212068).

Almost surely, 2^{111020211020101} is an apocalyptic number.

It is an amenable number.

111020211020101 is a deficient number, since it is larger than the sum of its proper divisors (860006676443).

111020211020101 is an equidigital number, since it uses as much as digits as its factorization.

111020211020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94880051.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111020211020101 its reverse (101020112020111), we get a palindrome (212040323040212).

The spelling of 111020211020101 in words is "one hundred eleven trillion, twenty billion, two hundred eleven million, twenty thousand, one hundred one".