1101121212013 has 2 divisors, whose sum is σ = 1101121212014. Its totient is φ = 1101121212012.

The previous prime is 1101121211999. The next prime is 1101121212049. The reversal of 1101121212013 is 3102121211011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 818876586724 + 282244625289 = 904918^2 + 531267^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101121212013 - 2¹³ = 1101121203821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101121212313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550560606006 + 550560606007.

It is an arithmetic number, because the mean of its divisors is an integer number (550560606007).

Almost surely, 2^{1101121212013} is an apocalyptic number.

It is an amenable number.

1101121212013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101121212013 is an equidigital number, since it uses as much as digits as its factorization.

1101121212013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1101121212013 its reverse (3102121211011), we get a palindrome (4203242423024).

The spelling of 1101121212013 in words is "one trillion, one hundred one billion, one hundred twenty-one million, two hundred twelve thousand, thirteen".