11211223027 has 2 divisors, whose sum is σ = 11211223028. Its totient is φ = 11211223026.

The previous prime is 11211223003. The next prime is 11211223057. The reversal of 11211223027 is 72032211211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11211223027 - 2⁷ = 11211222899 is a prime.

It is a super-2 number, since 2×11211223027² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11211222989 and 11211223007.

It is not a weakly prime, because it can be changed into another prime (11211223057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5605611513 + 5605611514.

It is an arithmetic number, because the mean of its divisors is an integer number (5605611514).

Almost surely, 2^11211223027 is an apocalyptic number.

11211223027 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211223027 is an equidigital number, since it uses as much as digits as its factorization.

11211223027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 11211223027 its reverse (72032211211), we get a palindrome (83243434238).

The spelling of 11211223027 in words is "eleven billion, two hundred eleven million, two hundred twenty-three thousand, twenty-seven".