111211001202011 has 2 divisors, whose sum is σ = 111211001202012. Its totient is φ = 111211001202010.

The previous prime is 111211001201959. The next prime is 111211001202019. The reversal of 111211001202011 is 110202100112111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111211001202011 - 2³⁰ = 111209927460187 is a prime.

It is not a weakly prime, because it can be changed into another prime (111211001202019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55605500601005 + 55605500601006.

It is an arithmetic number, because the mean of its divisors is an integer number (55605500601006).

Almost surely, 2^{111211001202011} is an apocalyptic number.

111211001202011 is a deficient number, since it is larger than the sum of its proper divisors (1).

111211001202011 is an equidigital number, since it uses as much as digits as its factorization.

111211001202011 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 14.

Adding to 111211001202011 its reverse (110202100112111), we get a palindrome (221413101314122).

The spelling of 111211001202011 in words is "one hundred eleven trillion, two hundred eleven billion, one million, two hundred two thousand, eleven".