1102120244213 has 4 divisors (see below), whose sum is σ = 1102129235340. Its totient is φ = 1102111253088.

The previous prime is 1102120244167. The next prime is 1102120244231. The reversal of 1102120244213 is 3124420212011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 481715119249 + 620405124964 = 694057^2 + 787658^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102120244213 - 2⁸ = 1102120243957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102120234213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4309118 + ... + 4557711.

It is an arithmetic number, because the mean of its divisors is an integer number (275532308835).

Almost surely, 2^{1102120244213} is an apocalyptic number.

It is an amenable number.

1102120244213 is a deficient number, since it is larger than the sum of its proper divisors (8991127).

1102120244213 is an equidigital number, since it uses as much as digits as its factorization.

1102120244213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8991126.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1102120244213 its reverse (3124420212011), we get a palindrome (4226540456224).

The spelling of 1102120244213 in words is "one trillion, one hundred two billion, one hundred twenty million, two hundred forty-four thousand, two hundred thirteen".