111210201211019 has 2 divisors, whose sum is σ = 111210201211020. Its totient is φ = 111210201211018.

The previous prime is 111210201211013. The next prime is 111210201211061. The reversal of 111210201211019 is 910112102012111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111210201211019 is a prime.

It is a super-2 number, since 2×111210201211019² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111210201210985 and 111210201211003.

It is not a weakly prime, because it can be changed into another prime (111210201211013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55605100605509 + 55605100605510.

It is an arithmetic number, because the mean of its divisors is an integer number (55605100605510).

Almost surely, 2^{111210201211019} is an apocalyptic number.

111210201211019 is a deficient number, since it is larger than the sum of its proper divisors (1).

111210201211019 is an equidigital number, since it uses as much as digits as its factorization.

111210201211019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 23.

The spelling of 111210201211019 in words is "one hundred eleven trillion, two hundred ten billion, two hundred one million, two hundred eleven thousand, nineteen".