11012102020111 has 2 divisors, whose sum is σ = 11012102020112. Its totient is φ = 11012102020110.

The previous prime is 11012102020091. The next prime is 11012102020141. The reversal of 11012102020111 is 11102020121011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11012102020111 - 2³¹ = 11009954536463 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11012102020091 and 11012102020100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11012102020141) 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, 5506051010055 + 5506051010056.

It is an arithmetic number, because the mean of its divisors is an integer number (5506051010056).

Almost surely, 2^{11012102020111} is an apocalyptic number.

11012102020111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012102020111 is an equidigital number, since it uses as much as digits as its factorization.

11012102020111 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 13.

Adding to 11012102020111 its reverse (11102020121011), we get a palindrome (22114122141122).

The spelling of 11012102020111 in words is "eleven trillion, twelve billion, one hundred two million, twenty thousand, one hundred eleven".