220211102220111 has 8 divisors (see below), whose sum is σ = 326238669955760. Its totient is φ = 146807401480056.

The previous prime is 220211102220103. The next prime is 220211102220139. The reversal of 220211102220111 is 111022201112022.

220211102220111 is a `hidden beast` number, since 2 + 20 + 211 + 102 + 220 + 111 = 666.

It is not a de Polignac number, because 220211102220111 - 2³ = 220211102220103 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 (220211102220181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4077983374420 + ... + 4077983374473.

It is an arithmetic number, because the mean of its divisors is an integer number (40779833744470).

Almost surely, 2^{220211102220111} is an apocalyptic number.

220211102220111 is a deficient number, since it is larger than the sum of its proper divisors (106027567735649).

220211102220111 is an equidigital number, since it uses as much as digits as its factorization.

220211102220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8155966748902 (or 8155966748896 counting only the distinct ones).

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

Adding to 220211102220111 its reverse (111022201112022), we get a palindrome (331233303332133).

The spelling of 220211102220111 in words is "two hundred twenty trillion, two hundred eleven billion, one hundred two million, two hundred twenty thousand, one hundred eleven".