11021004211243 has 16 divisors (see below), whose sum is σ = 12389919575040. Its totient is φ = 9726903404064.

The previous prime is 11021004211213. The next prime is 11021004211279. The reversal of 11021004211243 is 34211240012011.

It is a cyclic number.

It is not a de Polignac number, because 11021004211243 - 2⁵ = 11021004211211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11021004211213) 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, 6881703 + ... + 8330656.

It is an arithmetic number, because the mean of its divisors is an integer number (774369973440).

Almost surely, 2^{11021004211243} is an apocalyptic number.

11021004211243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11021004211243 is a deficient number, since it is larger than the sum of its proper divisors (1368915363797).

11021004211243 is a wasteful number, since it uses less digits than its factorization.

11021004211243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15214818.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 11021004211243 its reverse (34211240012011), we get a palindrome (45232244223254).

The spelling of 11021004211243 in words is "eleven trillion, twenty-one billion, four million, two hundred eleven thousand, two hundred forty-three".