111020202221101 has 16 divisors (see below), whose sum is σ = 118056932838000. Its totient is φ = 104039720644608.

The previous prime is 111020202221087. The next prime is 111020202221219. The reversal of 111020202221101 is 101122202020111.

It can be written as a sum of positive squares in 8 ways, for example, as 284547564900 + 110735654656201 = 533430^2 + 10523101^2 .

It is a cyclic number.

It is not a de Polignac number, because 111020202221101 - 2⁷ = 111020202220973 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 (111020202224101) 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 15 ways as a sum of consecutive naturals, for example, 386485675 + ... + 386772823.

It is an arithmetic number, because the mean of its divisors is an integer number (7378558302375).

Almost surely, 2^{111020202221101} is an apocalyptic number.

It is an amenable number.

111020202221101 is a deficient number, since it is larger than the sum of its proper divisors (7036730616899).

111020202221101 is a wasteful number, since it uses less digits than its factorization.

111020202221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385008.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111020202221101 its reverse (101122202020111), we get a palindrome (212142404241212).

The spelling of 111020202221101 in words is "one hundred eleven trillion, twenty billion, two hundred two million, two hundred twenty-one thousand, one hundred one".