110331220201 has 2 divisors, whose sum is σ = 110331220202. Its totient is φ = 110331220200.

The previous prime is 110331220199. The next prime is 110331220231. The reversal of 110331220201 is 102022133011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85611834025 + 24719386176 = 292595^2 + 157224^2 .

It is an emirp because it is prime and its reverse (102022133011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 110331220201 - 2¹ = 110331220199 is a prime.

Together with 110331220199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (110331220231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55165610100 + 55165610101.

It is an arithmetic number, because the mean of its divisors is an integer number (55165610101).

Almost surely, 2^110331220201 is an apocalyptic number.

It is an amenable number.

110331220201 is a deficient number, since it is larger than the sum of its proper divisors (1).

110331220201 is an equidigital number, since it uses as much as digits as its factorization.

110331220201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 110331220201 its reverse (102022133011), we get a palindrome (212353353212).

The spelling of 110331220201 in words is "one hundred ten billion, three hundred thirty-one million, two hundred twenty thousand, two hundred one".