1211340130111 has 8 divisors (see below), whose sum is σ = 1212081723648. Its totient is φ = 1210598679000.

The previous prime is 1211340130097. The next prime is 1211340130153. The reversal of 1211340130111 is 1110310431121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1211340130111 - 2⁹ = 1211340129599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211340130171) 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 in 7 ways as a sum of consecutive naturals, for example, 20504826 + ... + 20563816.

It is an arithmetic number, because the mean of its divisors is an integer number (151510215456).

Almost surely, 2^{1211340130111} is an apocalyptic number.

1211340130111 is a deficient number, since it is larger than the sum of its proper divisors (741593537).

1211340130111 is a wasteful number, since it uses less digits than its factorization.

1211340130111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71213.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1211340130111 its reverse (1110310431121), we get a palindrome (2321650561232).

The spelling of 1211340130111 in words is "one trillion, two hundred eleven billion, three hundred forty million, one hundred thirty thousand, one hundred eleven".