1213102320011 has 2 divisors, whose sum is σ = 1213102320012. Its totient is φ = 1213102320010.

The previous prime is 1213102319969. The next prime is 1213102320043. The reversal of 1213102320011 is 1100232013121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1213102320011 - 2¹⁴ = 1213102303627 is a prime.

It is not a weakly prime, because it can be changed into another prime (1213102320091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606551160005 + 606551160006.

It is an arithmetic number, because the mean of its divisors is an integer number (606551160006).

Almost surely, 2^{1213102320011} is an apocalyptic number.

1213102320011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213102320011 is an equidigital number, since it uses as much as digits as its factorization.

1213102320011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1213102320011 its reverse (1100232013121), we get a palindrome (2313334333132).

The spelling of 1213102320011 in words is "one trillion, two hundred thirteen billion, one hundred two million, three hundred twenty thousand, eleven".