11012221027 has 2 divisors, whose sum is σ = 11012221028. Its totient is φ = 11012221026.

The previous prime is 11012220959. The next prime is 11012221043. The reversal of 11012221027 is 72012221011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11012221027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11012220995 and 11012221013.

It is not a weakly prime, because it can be changed into another prime (11012221057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506110513 + 5506110514.

It is an arithmetic number, because the mean of its divisors is an integer number (5506110514).

Almost surely, 2^11012221027 is an apocalyptic number.

11012221027 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012221027 is an equidigital number, since it uses as much as digits as its factorization.

11012221027 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 19.

Adding to 11012221027 its reverse (72012221011), we get a palindrome (83024442038).

The spelling of 11012221027 in words is "eleven billion, twelve million, two hundred twenty-one thousand, twenty-seven".