220210212311 has 4 divisors (see below), whose sum is σ = 229784569392. Its totient is φ = 210635855232.

The previous prime is 220210212301. The next prime is 220210212331. The reversal of 220210212311 is 113212012022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113212012022 = 2 ⋅56606006011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220210212311 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 220210212311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220210212301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4787178506 + ... + 4787178551.

It is an arithmetic number, because the mean of its divisors is an integer number (57446142348).

Almost surely, 2^220210212311 is an apocalyptic number.

220210212311 is a deficient number, since it is larger than the sum of its proper divisors (9574357081).

220210212311 is an equidigital number, since it uses as much as digits as its factorization.

220210212311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9574357080.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 220210212311 its reverse (113212012022), we get a palindrome (333422224333).

The spelling of 220210212311 in words is "two hundred twenty billion, two hundred ten million, two hundred twelve thousand, three hundred eleven".