22120101011 has 2 divisors, whose sum is σ = 22120101012. Its totient is φ = 22120101010.

The previous prime is 22120101007. The next prime is 22120101037. The reversal of 22120101011 is 11010102122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22120101011 - 2² = 22120101007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22120100983 and 22120101001.

It is not a weakly prime, because it can be changed into another prime (22120101061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060050505 + 11060050506.

It is an arithmetic number, because the mean of its divisors is an integer number (11060050506).

Almost surely, 2^22120101011 is an apocalyptic number.

22120101011 is a deficient number, since it is larger than the sum of its proper divisors (1).

22120101011 is an equidigital number, since it uses as much as digits as its factorization.

22120101011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22120101011 its reverse (11010102122), we get a palindrome (33130203133).

The spelling of 22120101011 in words is "twenty-two billion, one hundred twenty million, one hundred one thousand, eleven".