220212011111 has 8 divisors (see below), whose sum is σ = 220337239824. Its totient is φ = 220086825280.

The previous prime is 220212011083. The next prime is 220212011119. The reversal of 220212011111 is 111110212022.

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 220212011111 - 2¹⁰ = 220212010087 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 (220212011119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16624451 + ... + 16637691.

It is an arithmetic number, because the mean of its divisors is an integer number (27542154978).

Almost surely, 2^220212011111 is an apocalyptic number.

220212011111 is a deficient number, since it is larger than the sum of its proper divisors (125228713).

220212011111 is a wasteful number, since it uses less digits than its factorization.

220212011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21441.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 220212011111 its reverse (111110212022), we get a palindrome (331322223133).

The spelling of 220212011111 in words is "two hundred twenty billion, two hundred twelve million, eleven thousand, one hundred eleven".