11021214144 has 28 divisors (see below), whose sum is σ = 29160296264. Its totient is φ = 3673737984.

The previous prime is 11021214131. The next prime is 11021214151. The reversal of 11021214144 is 44141212011.

It is a super-2 number, since 2×11021214144² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11021214144.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28700887 + ... + 28701270.

Almost surely, 2^11021214144 is an apocalyptic number.

It is an amenable number.

11021214144 is an abundant number, since it is smaller than the sum of its proper divisors (18139082120).

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

11021214144 is an equidigital number, since it uses as much as digits as its factorization.

11021214144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57402172 (or 57402162 counting only the distinct ones).

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

Adding to 11021214144 its reverse (44141212011), we get a palindrome (55162426155).

The spelling of 11021214144 in words is "eleven billion, twenty-one million, two hundred fourteen thousand, one hundred forty-four".