111001203001201 has 4 divisors (see below), whose sum is σ = 111090075062500. Its totient is φ = 110912330939904.

The previous prime is 111001203001153. The next prime is 111001203001217. The reversal of 111001203001201 is 102100302100111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49819881222400 + 61181321778801 = 7058320^2 + 7821849^2 .

It is a cyclic number.

It is not a de Polignac number, because 111001203001201 - 2⁹ = 111001203000689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111001203001231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44436028776 + ... + 44436031273.

It is an arithmetic number, because the mean of its divisors is an integer number (27772518765625).

Almost surely, 2^{111001203001201} is an apocalyptic number.

It is an amenable number.

111001203001201 is a deficient number, since it is larger than the sum of its proper divisors (88872061299).

111001203001201 is an equidigital number, since it uses as much as digits as its factorization.

111001203001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88872061298.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 111001203001201 its reverse (102100302100111), we get a palindrome (213101505101312).

The spelling of 111001203001201 in words is "one hundred eleven trillion, one billion, two hundred three million, one thousand, two hundred one".