1201112100011 has 2 divisors, whose sum is σ = 1201112100012. Its totient is φ = 1201112100010.

The previous prime is 1201112099983. The next prime is 1201112100053. The reversal of 1201112100011 is 1100012111021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201112100011 - 2²⁶ = 1201044991147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201112099965 and 1201112100001.

It is not a weakly prime, because it can be changed into another prime (1201112103011) 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, 600556050005 + 600556050006.

It is an arithmetic number, because the mean of its divisors is an integer number (600556050006).

Almost surely, 2^{1201112100011} is an apocalyptic number.

1201112100011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201112100011 is an equidigital number, since it uses as much as digits as its factorization.

1201112100011 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 11.

Adding to 1201112100011 its reverse (1100012111021), we get a palindrome (2301124211032).

The spelling of 1201112100011 in words is "one trillion, two hundred one billion, one hundred twelve million, one hundred thousand, eleven".