220221211200111 has 24 divisors (see below), whose sum is σ = 347329852436736. Its totient is φ = 133346396671440.

The previous prime is 220221211200079. The next prime is 220221211200113. The reversal of 220221211200111 is 111002112122022.

220221211200111 is a `hidden beast` number, since 2 + 20 + 221 + 211 + 200 + 1 + 11 = 666.

It is not a de Polignac number, because 220221211200111 - 2⁵ = 220221211200079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220221211200113) 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 23 ways as a sum of consecutive naturals, for example, 1008257385 + ... + 1008475778.

It is an arithmetic number, because the mean of its divisors is an integer number (14472077184864).

Almost surely, 2^{220221211200111} is an apocalyptic number.

220221211200111 is a deficient number, since it is larger than the sum of its proper divisors (127108641236625).

220221211200111 is a wasteful number, since it uses less digits than its factorization.

220221211200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016734283 (or 2016734280 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 220221211200111 its reverse (111002112122022), we get a palindrome (331223323322133).

It can be divided in two parts, 22022121 and 1200111, that added together give a palindrome (23222232).

The spelling of 220221211200111 in words is "two hundred twenty trillion, two hundred twenty-one billion, two hundred eleven million, two hundred thousand, one hundred eleven".