11220122121011 has 2 divisors, whose sum is σ = 11220122121012. Its totient is φ = 11220122121010.

The previous prime is 11220122121001. The next prime is 11220122121017. The reversal of 11220122121011 is 11012122102211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11220122121011 is a prime.

It is a super-2 number, since 2×11220122121011² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11220122121017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610061060505 + 5610061060506.

It is an arithmetic number, because the mean of its divisors is an integer number (5610061060506).

Almost surely, 2^{11220122121011} is an apocalyptic number.

11220122121011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220122121011 is an equidigital number, since it uses as much as digits as its factorization.

11220122121011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11220122121011 its reverse (11012122102211), we get a palindrome (22232244223222).

The spelling of 11220122121011 in words is "eleven trillion, two hundred twenty billion, one hundred twenty-two million, one hundred twenty-one thousand, eleven".