11212022011 has 2 divisors, whose sum is σ = 11212022012. Its totient is φ = 11212022010.

The previous prime is 11212021987. The next prime is 11212022023. The reversal of 11212022011 is 11022021211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11212022011 - 2¹¹ = 11212019963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11212021982 and 11212022000.

It is not a weakly prime, because it can be changed into another prime (11212092011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606011005 + 5606011006.

It is an arithmetic number, because the mean of its divisors is an integer number (5606011006).

Almost surely, 2^11212022011 is an apocalyptic number.

11212022011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212022011 is an equidigital number, since it uses as much as digits as its factorization.

11212022011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11212022011 its reverse (11022021211), we get a palindrome (22234043222).

The spelling of 11212022011 in words is "eleven billion, two hundred twelve million, twenty-two thousand, eleven".