1223320232211 has 16 divisors (see below), whose sum is σ = 2033571295488. Its totient is φ = 635491029600.

The previous prime is 1223320232177. The next prime is 1223320232213. The reversal of 1223320232211 is 1122320233221.

It is not a de Polignac number, because 1223320232211 - 2²² = 1223316037907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1223320232213) 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, 2647879060 + ... + 2647879521.

It is an arithmetic number, because the mean of its divisors is an integer number (127098205968).

Almost surely, 2^{1223320232211} is an apocalyptic number.

1223320232211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1223320232211 is a deficient number, since it is larger than the sum of its proper divisors (810251063277).

1223320232211 is a wasteful number, since it uses less digits than its factorization.

1223320232211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5295758602.

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

Adding to 1223320232211 its reverse (1122320233221), we get a palindrome (2345640465432).

The spelling of 1223320232211 in words is "one trillion, two hundred twenty-three billion, three hundred twenty million, two hundred thirty-two thousand, two hundred eleven".