11021140212240 has 80 divisors (see below), whose sum is σ = 34225579958400. Its totient is φ = 2933805536256.

The previous prime is 11021140212239. The next prime is 11021140212307. The reversal of 11021140212240 is 4221204112011.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40216180 + ... + 40489299.

It is an arithmetic number, because the mean of its divisors is an integer number (427819749480).

Almost surely, 2^{11021140212240} is an apocalyptic number.

11021140212240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021140212240 is an abundant number, since it is smaller than the sum of its proper divisors (23204439746160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11021140212240 is a wasteful number, since it uses less digits than its factorization.

11021140212240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80706064 (or 80706058 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 11021140212240 its reverse (4221204112011), we get a palindrome (15242344324251).

The spelling of 11021140212240 in words is "eleven trillion, twenty-one billion, one hundred forty million, two hundred twelve thousand, two hundred forty".