221110202220011 has 8 divisors (see below), whose sum is σ = 238119065793840. Its totient is φ = 204101393857632.

The previous prime is 221110202220007. The next prime is 221110202220013. The reversal of 221110202220011 is 110022202011122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221110202220011 - 2² = 221110202220007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221110202220013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5290796 + ... + 21684393.

It is an arithmetic number, because the mean of its divisors is an integer number (29764883224230).

Almost surely, 2^{221110202220011} is an apocalyptic number.

221110202220011 is a deficient number, since it is larger than the sum of its proper divisors (17008863573829).

221110202220011 is a wasteful number, since it uses less digits than its factorization.

221110202220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27605725.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221110202220011 its reverse (110022202011122), we get a palindrome (331132404231133).

The spelling of 221110202220011 in words is "two hundred twenty-one trillion, one hundred ten billion, two hundred two million, two hundred twenty thousand, eleven".