1213320202211 has 16 divisors (see below), whose sum is σ = 1311518298048. Its totient is φ = 1115824896000.

The previous prime is 1213320202201. The next prime is 1213320202219. The reversal of 1213320202211 is 1122020233121.

It is a cyclic number.

It is not a de Polignac number, because 1213320202211 - 2⁶ = 1213320202147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213320202219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3645491 + ... + 3964371.

It is an arithmetic number, because the mean of its divisors is an integer number (81969893628).

Almost surely, 2^{1213320202211} is an apocalyptic number.

1213320202211 is a deficient number, since it is larger than the sum of its proper divisors (98198095837).

1213320202211 is a wasteful number, since it uses less digits than its factorization.

1213320202211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319982.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1213320202211 its reverse (1122020233121), we get a palindrome (2335340435332).

The spelling of 1213320202211 in words is "one trillion, two hundred thirteen billion, three hundred twenty million, two hundred two thousand, two hundred eleven".