1201411012111 has 2 divisors, whose sum is σ = 1201411012112. Its totient is φ = 1201411012110.

The previous prime is 1201411012103. The next prime is 1201411012121. The reversal of 1201411012111 is 1112101141021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201411012111 - 2³ = 1201411012103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201411012121) 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, 600705506055 + 600705506056.

It is an arithmetic number, because the mean of its divisors is an integer number (600705506056).

Almost surely, 2^{1201411012111} is an apocalyptic number.

1201411012111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201411012111 is an equidigital number, since it uses as much as digits as its factorization.

1201411012111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 1201411012111 its reverse (1112101141021), we get a palindrome (2313512153132).

The spelling of 1201411012111 in words is "one trillion, two hundred one billion, four hundred eleven million, twelve thousand, one hundred eleven".