11021220202243 has 2 divisors, whose sum is σ = 11021220202244. Its totient is φ = 11021220202242.

The previous prime is 11021220202217. The next prime is 11021220202337. The reversal of 11021220202243 is 34220202212011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11021220202243 - 2²⁵ = 11021186647811 is a prime.

It is not a weakly prime, because it can be changed into another prime (11021280202243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510610101121 + 5510610101122.

It is an arithmetic number, because the mean of its divisors is an integer number (5510610101122).

Almost surely, 2^{11021220202243} is an apocalyptic number.

11021220202243 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021220202243 is an equidigital number, since it uses as much as digits as its factorization.

11021220202243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 11021220202243 its reverse (34220202212011), we get a palindrome (45241422414254).

The spelling of 11021220202243 in words is "eleven trillion, twenty-one billion, two hundred twenty million, two hundred two thousand, two hundred forty-three".