220212201011111 has 8 divisors (see below), whose sum is σ = 223945727753040. Its totient is φ = 216478711487808.

The previous prime is 220212201011039. The next prime is 220212201011137. The reversal of 220212201011111 is 111110102212022.

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 220212201011111 - 2¹⁴ = 220212200994727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220212201011111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220212201011711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2760605 + ... + 21167081.

It is an arithmetic number, because the mean of its divisors is an integer number (27993215969130).

Almost surely, 2^{220212201011111} is an apocalyptic number.

220212201011111 is a deficient number, since it is larger than the sum of its proper divisors (3733526741929).

220212201011111 is a wasteful number, since it uses less digits than its factorization.

220212201011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18609313.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 220212201011111 its reverse (111110102212022), we get a palindrome (331322303223133).

The spelling of 220212201011111 in words is "two hundred twenty trillion, two hundred twelve billion, two hundred one million, eleven thousand, one hundred eleven".