111012001890011 has 2 divisors, whose sum is σ = 111012001890012. Its totient is φ = 111012001890010.

The previous prime is 111012001890007. The next prime is 111012001890143. The reversal of 111012001890011 is 110098100210111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111012001890011 - 2² = 111012001890007 is a prime.

It is a super-2 number, since 2×111012001890011² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (111012001896011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55506000945005 + 55506000945006.

It is an arithmetic number, because the mean of its divisors is an integer number (55506000945006).

Almost surely, 2^{111012001890011} is an apocalyptic number.

111012001890011 is a deficient number, since it is larger than the sum of its proper divisors (1).

111012001890011 is an equidigital number, since it uses as much as digits as its factorization.

111012001890011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 26.

The spelling of 111012001890011 in words is "one hundred eleven trillion, twelve billion, one million, eight hundred ninety thousand, eleven".