220000220111101 has 4 divisors (see below), whose sum is σ = 220034228499100. Its totient is φ = 219966211723104.

The previous prime is 220000220111093. The next prime is 220000220111129. The reversal of 220000220111101 is 101111022000022.

220000220111101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 30573169548601 + 189427050562500 = 5529301^2 + 13763250^2 .

It is a cyclic number.

It is not a de Polignac number, because 220000220111101 - 2³ = 220000220111093 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 (220000220111701) 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, 17004184296 + ... + 17004197233.

It is an arithmetic number, because the mean of its divisors is an integer number (55008557124775).

Almost surely, 2^{220000220111101} is an apocalyptic number.

It is an amenable number.

220000220111101 is a deficient number, since it is larger than the sum of its proper divisors (34008387999).

220000220111101 is an equidigital number, since it uses as much as digits as its factorization.

220000220111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34008387998.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 220000220111101 its reverse (101111022000022), we get a palindrome (321111242111123).

The spelling of 220000220111101 in words is "two hundred twenty trillion, two hundred twenty million, one hundred eleven thousand, one hundred one".