1213320201113 has 4 divisors (see below), whose sum is σ = 1213322733840. Its totient is φ = 1213317668388.

The previous prime is 1213320201103. The next prime is 1213320201127. The reversal of 1213320201113 is 3111020233121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1213320201113 - 2¹⁸ = 1213319938969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213320201103) 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, 303995 + ... + 1587152.

It is an arithmetic number, because the mean of its divisors is an integer number (303330683460).

Almost surely, 2^{1213320201113} is an apocalyptic number.

It is an amenable number.

1213320201113 is a deficient number, since it is larger than the sum of its proper divisors (2532727).

1213320201113 is an equidigital number, since it uses as much as digits as its factorization.

1213320201113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532726.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1213320201113 its reverse (3111020233121), we get a palindrome (4324340434234).

The spelling of 1213320201113 in words is "one trillion, two hundred thirteen billion, three hundred twenty million, two hundred one thousand, one hundred thirteen".