11021140424243 has 4 divisors (see below), whose sum is σ = 11065049350488. Its totient is φ = 10977231498000.

The previous prime is 11021140424237. The next prime is 11021140424263. The reversal of 11021140424243 is 34242404112011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11021140424243 - 2⁶ = 11021140424179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11021140424263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21954462746 + ... + 21954463247.

It is an arithmetic number, because the mean of its divisors is an integer number (2766262337622).

Almost surely, 2^{11021140424243} is an apocalyptic number.

11021140424243 is a deficient number, since it is larger than the sum of its proper divisors (43908926245).

11021140424243 is an equidigital number, since it uses as much as digits as its factorization.

11021140424243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43908926244.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 11021140424243 its reverse (34242404112011), we get a palindrome (45263544536254).

The spelling of 11021140424243 in words is "eleven trillion, twenty-one billion, one hundred forty million, four hundred twenty-four thousand, two hundred forty-three".