1223323220211 has 8 divisors (see below), whose sum is σ = 1631112986880. Its totient is φ = 815541133512.

The previous prime is 1223323220143. The next prime is 1223323220213. The reversal of 1223323220211 is 1120223233221.

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

It is not a de Polignac number, because 1223323220211 - 2¹³ = 1223323212019 is a prime.

It is a super-2 number, since 2×1223323220211² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1223323220213) 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, 1537431 + ... + 2193248.

It is an arithmetic number, because the mean of its divisors is an integer number (203889123360).

Almost surely, 2^{1223323220211} is an apocalyptic number.

1223323220211 is a deficient number, since it is larger than the sum of its proper divisors (407789766669).

1223323220211 is a wasteful number, since it uses less digits than its factorization.

1223323220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3839985.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1223323220211 its reverse (1120223233221), we get a palindrome (2343546453432).

The spelling of 1223323220211 in words is "one trillion, two hundred twenty-three billion, three hundred twenty-three million, two hundred twenty thousand, two hundred eleven".