11020212212211 has 48 divisors (see below), whose sum is σ = 16373092298784. Its totient is φ = 7137413978112.

The previous prime is 11020212212203. The next prime is 11020212212257. The reversal of 11020212212211 is 11221221202011.

11020212212211 is a `hidden beast` number, since 1 + 10 + 20 + 212 + 212 + 211 = 666.

It is not a de Polignac number, because 11020212212211 - 2³ = 11020212212203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11020212212201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 817698405 + ... + 817711881.

It is an arithmetic number, because the mean of its divisors is an integer number (341106089558).

Almost surely, 2^{11020212212211} is an apocalyptic number.

11020212212211 is a deficient number, since it is larger than the sum of its proper divisors (5352880086573).

11020212212211 is a wasteful number, since it uses less digits than its factorization.

11020212212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17060 (or 17057 counting only the distinct ones).

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

Adding to 11020212212211 its reverse (11221221202011), we get a palindrome (22241433414222).

The spelling of 11020212212211 in words is "eleven trillion, twenty billion, two hundred twelve million, two hundred twelve thousand, two hundred eleven".