1111020522011 has 2 divisors, whose sum is σ = 1111020522012. Its totient is φ = 1111020522010.

The previous prime is 1111020521993. The next prime is 1111020522013. The reversal of 1111020522011 is 1102250201111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111020522011 - 2²⁶ = 1110953413147 is a prime.

It is a Sophie Germain prime.

Together with 1111020522013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1111020522013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555510261005 + 555510261006.

It is an arithmetic number, because the mean of its divisors is an integer number (555510261006).

Almost surely, 2^{1111020522011} is an apocalyptic number.

1111020522011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111020522011 is an equidigital number, since it uses as much as digits as its factorization.

1111020522011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 17.

Adding to 1111020522011 its reverse (1102250201111), we get a palindrome (2213270723122).

The spelling of 1111020522011 in words is "one trillion, one hundred eleven billion, twenty million, five hundred twenty-two thousand, eleven".