11020211103213 has 24 divisors (see below), whose sum is σ = 17251738854168. Its totient is φ = 6738473020032.

The previous prime is 11020211103211. The next prime is 11020211103227. The reversal of 11020211103213 is 31230111202011.

11020211103213 is a `hidden beast` number, since 110 + 20 + 211 + 1 + 0 + 321 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 55308969 + 11020155794244 = 7437^2 + 3319662^2 .

It is not a de Polignac number, because 11020211103213 - 2¹ = 11020211103211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020211103211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 299949270 + ... + 299986007.

It is an arithmetic number, because the mean of its divisors is an integer number (718822452257).

Almost surely, 2^{11020211103213} is an apocalyptic number.

11020211103213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11020211103213 is a deficient number, since it is larger than the sum of its proper divisors (6231527750955).

11020211103213 is a wasteful number, since it uses less digits than its factorization.

11020211103213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599935453 (or 599935450 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 11020211103213 its reverse (31230111202011), we get a palindrome (42250322305224).

The spelling of 11020211103213 in words is "eleven trillion, twenty billion, two hundred eleven million, one hundred three thousand, two hundred thirteen".