1122120011011 has 2 divisors, whose sum is σ = 1122120011012. Its totient is φ = 1122120011010.

The previous prime is 1122120010969. The next prime is 1122120011029. The reversal of 1122120011011 is 1101100212211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1122120011011 - 2⁷ = 1122120010883 is a prime.

It is a super-2 number, since 2×1122120011011² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1122120010982 and 1122120011000.

It is not a weakly prime, because it can be changed into another prime (1122120011081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561060005505 + 561060005506.

It is an arithmetic number, because the mean of its divisors is an integer number (561060005506).

Almost surely, 2^{1122120011011} is an apocalyptic number.

1122120011011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122120011011 is an equidigital number, since it uses as much as digits as its factorization.

1122120011011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1122120011011 its reverse (1101100212211), we get a palindrome (2223220223222).

The spelling of 1122120011011 in words is "one trillion, one hundred twenty-two billion, one hundred twenty million, eleven thousand, eleven".