1121213613413 has 2 divisors, whose sum is σ = 1121213613414. Its totient is φ = 1121213613412.

The previous prime is 1121213613329. The next prime is 1121213613419. The reversal of 1121213613413 is 3143163121211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 714089221444 + 407124391969 = 845038^2 + 638063^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121213613413 - 2¹² = 1121213609317 is a prime.

It is a super-3 number, since 3×1121213613413³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121213613419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560606806706 + 560606806707.

It is an arithmetic number, because the mean of its divisors is an integer number (560606806707).

Almost surely, 2^{1121213613413} is an apocalyptic number.

It is an amenable number.

1121213613413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121213613413 is an equidigital number, since it uses as much as digits as its factorization.

1121213613413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 29.

Adding to 1121213613413 its reverse (3143163121211), we get a palindrome (4264376734624).

The spelling of 1121213613413 in words is "one trillion, one hundred twenty-one billion, two hundred thirteen million, six hundred thirteen thousand, four hundred thirteen".