11012221067 has 2 divisors, whose sum is σ = 11012221068. Its totient is φ = 11012221066.

The previous prime is 11012221057. The next prime is 11012221111. The reversal of 11012221067 is 76012221011.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11012221067 is a prime.

It is not a weakly prime, because it can be changed into another prime (11012221027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506110533 + 5506110534.

It is an arithmetic number, because the mean of its divisors is an integer number (5506110534).

Almost surely, 2^11012221067 is an apocalyptic number.

11012221067 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012221067 is an equidigital number, since it uses as much as digits as its factorization.

11012221067 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 23.

Adding to 11012221067 its reverse (76012221011), we get a palindrome (87024442078).

The spelling of 11012221067 in words is "eleven billion, twelve million, two hundred twenty-one thousand, sixty-seven".