11203344330211 has 16 divisors (see below), whose sum is σ = 12452645445120. Its totient is φ = 9992519053920.

The previous prime is 11203344330187. The next prime is 11203344330271.

11203344330211 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 11203344330211 - 2¹⁷ = 11203344199139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11203344330211.

It is not an unprimeable number, because it can be changed into a prime (11203344330271) 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, 43572916 + ... + 43829278.

It is an arithmetic number, because the mean of its divisors is an integer number (778290340320).

Almost surely, 2^{11203344330211} is an apocalyptic number.

11203344330211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11203344330211 is a deficient number, since it is larger than the sum of its proper divisors (1249301114909).

11203344330211 is a wasteful number, since it uses less digits than its factorization.

11203344330211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331386.

The product of its (nonzero) digits is 5184, while the sum is 28.

It can be divided in two parts, 1120334 and 4330211, that added together give a palindrome (5450545).

The spelling of 11203344330211 in words is "eleven trillion, two hundred three billion, three hundred forty-four million, three hundred thirty thousand, two hundred eleven".