111201010012111 has 2 divisors, whose sum is σ = 111201010012112. Its totient is φ = 111201010012110.

The previous prime is 111201010012097. The next prime is 111201010012133. The reversal of 111201010012111 is 111210010102111.

It is a weak prime.

It is an emirp because it is prime and its reverse (111210010102111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111201010012111 - 2²¹ = 111201007914959 is a prime.

It is a super-2 number, since 2×111201010012111² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111201010012091 and 111201010012100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111201010012151) 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, 55600505006055 + 55600505006056.

It is an arithmetic number, because the mean of its divisors is an integer number (55600505006056).

Almost surely, 2^{111201010012111} is an apocalyptic number.

111201010012111 is a deficient number, since it is larger than the sum of its proper divisors (1).

111201010012111 is an equidigital number, since it uses as much as digits as its factorization.

111201010012111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111201010012111 its reverse (111210010102111), we get a palindrome (222411020114222).

The spelling of 111201010012111 in words is "one hundred eleven trillion, two hundred one billion, ten million, twelve thousand, one hundred eleven".