1111102012213 has 2 divisors, whose sum is σ = 1111102012214. Its totient is φ = 1111102012212.

The previous prime is 1111102012211. The next prime is 1111102012259. The reversal of 1111102012213 is 3122102011111.

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., 717895260369 + 393206751844 = 847287^2 + 627062^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111102012213 - 2¹ = 1111102012211 is a prime.

Together with 1111102012211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111102012211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555551006106 + 555551006107.

It is an arithmetic number, because the mean of its divisors is an integer number (555551006107).

Almost surely, 2^{1111102012213} is an apocalyptic number.

It is an amenable number.

1111102012213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111102012213 is an equidigital number, since it uses as much as digits as its factorization.

1111102012213 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1111102012213 its reverse (3122102011111), we get a palindrome (4233204023324).

The spelling of 1111102012213 in words is "one trillion, one hundred eleven billion, one hundred two million, twelve thousand, two hundred thirteen".