11223344332211 has 54 divisors (see below), whose sum is σ = 12629976358356. Its totient is φ = 9890908992000.

The previous prime is 11223344332201. The next prime is 11223344332219.

11223344332211 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-11223344332211 is a prime.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11223344332219) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 81922221335 + ... + 81922221471.

Almost surely, 2^{11223344332211} is an apocalyptic number.

11223344332211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11223344332211 is a deficient number, since it is larger than the sum of its proper divisors (1406632026145).

11223344332211 is an frugal number, since it uses more digits than its factorization.

11223344332211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633 (or 322 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

It can be divided in two parts, 1122334 and 4332211, that added together give a palindrome (5454545).

The spelling of 11223344332211 in words is "eleven trillion, two hundred twenty-three billion, three hundred forty-four million, three hundred thirty-two thousand, two hundred eleven".