11111120102011 has 2 divisors, whose sum is σ = 11111120102012. Its totient is φ = 11111120102010.

The previous prime is 11111120102003. The next prime is 11111120102039. The reversal of 11111120102011 is 11020102111111.

11111120102011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11111120102011 - 2³ = 11111120102003 is a prime.

It is a super-3 number, since 3×11111120102011³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11111120101982 and 11111120102000.

It is not a weakly prime, because it can be changed into another prime (11111129102011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555560051005 + 5555560051006.

It is an arithmetic number, because the mean of its divisors is an integer number (5555560051006).

Almost surely, 2^{11111120102011} is an apocalyptic number.

11111120102011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111120102011 is an equidigital number, since it uses as much as digits as its factorization.

11111120102011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11111120102011 its reverse (11020102111111), we get a palindrome (22131222213122).

The spelling of 11111120102011 in words is "eleven trillion, one hundred eleven billion, one hundred twenty million, one hundred two thousand, eleven".