1121221113011 has 2 divisors, whose sum is σ = 1121221113012. Its totient is φ = 1121221113010.

The previous prime is 1121221112993. The next prime is 1121221113049. The reversal of 1121221113011 is 1103111221211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121221113011 - 2¹⁴ = 1121221096627 is a prime.

It is a super-2 number, since 2×1121221113011² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1121221113071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560610556505 + 560610556506.

It is an arithmetic number, because the mean of its divisors is an integer number (560610556506).

Almost surely, 2^{1121221113011} is an apocalyptic number.

1121221113011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121221113011 is an equidigital number, since it uses as much as digits as its factorization.

1121221113011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 1121221113011 its reverse (1103111221211), we get a palindrome (2224332334222).

The spelling of 1121221113011 in words is "one trillion, one hundred twenty-one billion, two hundred twenty-one million, one hundred thirteen thousand, eleven".