220213216554811 has 2 divisors, whose sum is σ = 220213216554812. Its totient is φ = 220213216554810.

The previous prime is 220213216554787. The next prime is 220213216554817. The reversal of 220213216554811 is 118455612312022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220213216554811 - 2¹³ = 220213216546619 is a prime.

It is not a weakly prime, because it can be changed into another prime (220213216554817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110106608277405 + 110106608277406.

It is an arithmetic number, because the mean of its divisors is an integer number (110106608277406).

Almost surely, 2^{220213216554811} is an apocalyptic number.

220213216554811 is a deficient number, since it is larger than the sum of its proper divisors (1).

220213216554811 is an equidigital number, since it uses as much as digits as its factorization.

220213216554811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230400, while the sum is 43.

Adding to 220213216554811 its reverse (118455612312022), we get a palindrome (338668828866833).

The spelling of 220213216554811 in words is "two hundred twenty trillion, two hundred thirteen billion, two hundred sixteen million, five hundred fifty-four thousand, eight hundred eleven".