11211020100227 has 2 divisors, whose sum is σ = 11211020100228. Its totient is φ = 11211020100226.

The previous prime is 11211020100191. The next prime is 11211020100289. The reversal of 11211020100227 is 72200102011211.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (72200102011211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11211020100227 - 2¹⁴ = 11211020083843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11211020100199 and 11211020100208.

It is not a weakly prime, because it can be changed into another prime (11211020100827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605510050113 + 5605510050114.

It is an arithmetic number, because the mean of its divisors is an integer number (5605510050114).

Almost surely, 2^{11211020100227} is an apocalyptic number.

11211020100227 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211020100227 is an equidigital number, since it uses as much as digits as its factorization.

11211020100227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 11211020100227 its reverse (72200102011211), we get a palindrome (83411122111438).

The spelling of 11211020100227 in words is "eleven trillion, two hundred eleven billion, twenty million, one hundred thousand, two hundred twenty-seven".