1121210122213 has 2 divisors, whose sum is σ = 1121210122214. Its totient is φ = 1121210122212.

The previous prime is 1121210122139. The next prime is 1121210122231. The reversal of 1121210122213 is 3122210121211.

Together with next prime (1121210122231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 845844411204 + 275365711009 = 919698^2 + 524753^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121210122213 - 2⁹ = 1121210121701 is a prime.

It is a super-2 number, since 2×1121210122213² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121210122913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560605061106 + 560605061107.

It is an arithmetic number, because the mean of its divisors is an integer number (560605061107).

Almost surely, 2^{1121210122213} is an apocalyptic number.

It is an amenable number.

1121210122213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121210122213 is an equidigital number, since it uses as much as digits as its factorization.

1121210122213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1121210122213 its reverse (3122210121211), we get a palindrome (4243420243424).

The spelling of 1121210122213 in words is "one trillion, one hundred twenty-one billion, two hundred ten million, one hundred twenty-two thousand, two hundred thirteen".