22120212122011 has 2 divisors, whose sum is σ = 22120212122012. Its totient is φ = 22120212122010.

The previous prime is 22120212121999. The next prime is 22120212122117. The reversal of 22120212122011 is 11022121202122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22120212122011 - 2⁵ = 22120212121979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22120212122011.

It is not a weakly prime, because it can be changed into another prime (22120212126011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060106061005 + 11060106061006.

It is an arithmetic number, because the mean of its divisors is an integer number (11060106061006).

Almost surely, 2^{22120212122011} is an apocalyptic number.

22120212122011 is a deficient number, since it is larger than the sum of its proper divisors (1).

22120212122011 is an equidigital number, since it uses as much as digits as its factorization.

22120212122011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22120212122011 its reverse (11022121202122), we get a palindrome (33142333324133).

The spelling of 22120212122011 in words is "twenty-two trillion, one hundred twenty billion, two hundred twelve million, one hundred twenty-two thousand, eleven".