1323220113211 has 8 divisors (see below), whose sum is σ = 1368526347648. Its totient is φ = 1278077736000.

The previous prime is 1323220113209. The next prime is 1323220113221. The reversal of 1323220113211 is 1123110223231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1323220113211 - 2¹ = 1323220113209 is a prime.

It is a super-2 number, since 2×1323220113211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323220113221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40947880 + ... + 40980181.

It is an arithmetic number, because the mean of its divisors is an integer number (171065793456).

Almost surely, 2^{1323220113211} is an apocalyptic number.

1323220113211 is a deficient number, since it is larger than the sum of its proper divisors (45306234437).

1323220113211 is an equidigital number, since it uses as much as digits as its factorization.

1323220113211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81928613.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1323220113211 its reverse (1123110223231), we get a palindrome (2446330336442).

The spelling of 1323220113211 in words is "one trillion, three hundred twenty-three billion, two hundred twenty million, one hundred thirteen thousand, two hundred eleven".