111020110110101 has 16 divisors (see below), whose sum is σ = 117707613791040. Its totient is φ = 104525801089920.

The previous prime is 111020110110083. The next prime is 111020110110157. The reversal of 111020110110101 is 101011011020111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111020110110101 - 2²⁶ = 111020043001237 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 (111020110110181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20622131 + ... + 25442336.

It is an arithmetic number, because the mean of its divisors is an integer number (7356725861940).

Almost surely, 2^{111020110110101} is an apocalyptic number.

It is an amenable number.

111020110110101 is a deficient number, since it is larger than the sum of its proper divisors (6687503680939).

111020110110101 is a wasteful number, since it uses less digits than its factorization.

111020110110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46066564.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 111020110110101 its reverse (101011011020111), we get a palindrome (212031121130212).

The spelling of 111020110110101 in words is "one hundred eleven trillion, twenty billion, one hundred ten million, one hundred ten thousand, one hundred one".