220201100211111 has 8 divisors (see below), whose sum is σ = 293601736003440. Its totient is φ = 146800598946432.

The previous prime is 220201100211067. The next prime is 220201100211161. The reversal of 220201100211111 is 111112001102022.

It is a happy number.

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

It is not a de Polignac number, because 220201100211111 - 2¹¹ = 220201100209063 is a prime.

It is a super-3 number, since 3×220201100211111³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220201100211161) 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 7 ways as a sum of consecutive naturals, for example, 29748546 + ... + 36405743.

It is an arithmetic number, because the mean of its divisors is an integer number (36700217000430).

Almost surely, 2^{220201100211111} is an apocalyptic number.

220201100211111 is a deficient number, since it is larger than the sum of its proper divisors (73400635792329).

220201100211111 is a wasteful number, since it uses less digits than its factorization.

220201100211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67263825.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 220201100211111 its reverse (111112001102022), we get a palindrome (331313101313133).

The spelling of 220201100211111 in words is "two hundred twenty trillion, two hundred one billion, one hundred million, two hundred eleven thousand, one hundred eleven".