110111021201 has 4 divisors (see below), whose sum is σ = 110111994804. Its totient is φ = 110110047600.

The previous prime is 110111021179. The next prime is 110111021219. The reversal of 110111021201 is 102120111011.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 22432850176 + 87678171025 = 149776^2 + 296105^2 .

It is a cyclic number.

It is not a de Polignac number, because 110111021201 - 2¹⁰ = 110111020177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110111021281) 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, 290870 + ... + 552111.

It is an arithmetic number, because the mean of its divisors is an integer number (27527998701).

Almost surely, 2^110111021201 is an apocalyptic number.

It is an amenable number.

110111021201 is a deficient number, since it is larger than the sum of its proper divisors (973603).

110111021201 is an equidigital number, since it uses as much as digits as its factorization.

110111021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973602.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 110111021201 its reverse (102120111011), we get a palindrome (212231132212).

It can be divided in two parts, 11011 and 1021201, that multiplied together give a palindrome (11244444211).

The spelling of 110111021201 in words is "one hundred ten billion, one hundred eleven million, twenty-one thousand, two hundred one".