2012021000111 has 2 divisors, whose sum is σ = 2012021000112. Its totient is φ = 2012021000110.

The previous prime is 2012021000083. The next prime is 2012021000173. The reversal of 2012021000111 is 1110001202102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2012021000111 - 2⁶ = 2012021000047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2012021000092 and 2012021000101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012021000411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006010500055 + 1006010500056.

It is an arithmetic number, because the mean of its divisors is an integer number (1006010500056).

Almost surely, 2^{2012021000111} is an apocalyptic number.

2012021000111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012021000111 is an equidigital number, since it uses as much as digits as its factorization.

2012021000111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2012021000111 its reverse (1110001202102), we get a palindrome (3122022202213).

The spelling of 2012021000111 in words is "two trillion, twelve billion, twenty-one million, one hundred eleven", and thus it is an aban number.