220011110101 has 4 divisors (see below), whose sum is σ = 220354341804. Its totient is φ = 219667878400.

The previous prime is 220011110089. The next prime is 220011110131. The reversal of 220011110101 is 101011110022.

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 177523182225 + 42487927876 = 421335^2 + 206126^2 .

It is a cyclic number.

It is not a de Polignac number, because 220011110101 - 2¹⁵ = 220011077333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220011110131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171614890 + ... + 171616171.

It is an arithmetic number, because the mean of its divisors is an integer number (55088585451).

Almost surely, 2^220011110101 is an apocalyptic number.

It is an amenable number.

220011110101 is a deficient number, since it is larger than the sum of its proper divisors (343231703).

220011110101 is an equidigital number, since it uses as much as digits as its factorization.

220011110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343231702.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 220011110101 its reverse (101011110022), we get a palindrome (321022220123).

The spelling of 220011110101 in words is "two hundred twenty billion, eleven million, one hundred ten thousand, one hundred one".