100000221110201 has 4 divisors (see below), whose sum is σ = 100000244322804. Its totient is φ = 100000197897600.

The previous prime is 100000221110113. The next prime is 100000221110219. The reversal of 100000221110201 is 102011122000001.

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 62879824902400 + 37120396207801 = 7929680^2 + 6092651^2 .

It is a cyclic number.

It is not a de Polignac number, because 100000221110201 - 2³⁸ = 99725343203257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100000221110701) 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, 3033620 + ... + 14463861.

It is an arithmetic number, because the mean of its divisors is an integer number (25000061080701).

Almost surely, 2^{100000221110201} is an apocalyptic number.

It is an amenable number.

100000221110201 is a deficient number, since it is larger than the sum of its proper divisors (23212603).

100000221110201 is an equidigital number, since it uses as much as digits as its factorization.

100000221110201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23212602.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100000221110201 its reverse (102011122000001), we get a palindrome (202011343110202).

The spelling of 100000221110201 in words is "one hundred trillion, two hundred twenty-one million, one hundred ten thousand, two hundred one".