111021011212201 has 16 divisors (see below), whose sum is σ = 118677836672640. Its totient is φ = 103600190615680.

The previous prime is 111021011212187. The next prime is 111021011212211. The reversal of 111021011212201 is 102212110120111.

It is a cyclic number.

It is not a de Polignac number, because 111021011212201 - 2⁷ = 111021011212073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111021011212211) 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, 24320991 + ... + 28522843.

It is an arithmetic number, because the mean of its divisors is an integer number (7417364792040).

Almost surely, 2^{111021011212201} is an apocalyptic number.

It is an amenable number.

111021011212201 is a deficient number, since it is larger than the sum of its proper divisors (7656825460439).

111021011212201 is a wasteful number, since it uses less digits than its factorization.

111021011212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4229936.

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

Adding to 111021011212201 its reverse (102212110120111), we get a palindrome (213233121332312).

The spelling of 111021011212201 in words is "one hundred eleven trillion, twenty-one billion, eleven million, two hundred twelve thousand, two hundred one".