11140021422 has 32 divisors (see below), whose sum is σ = 25161440160. Its totient is φ = 3652464960.

The previous prime is 11140021397. The next prime is 11140021439. The reversal of 11140021422 is 22412004111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11140021395 and 11140021404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1687663 + ... + 1694250.

It is an arithmetic number, because the mean of its divisors is an integer number (786295005).

Almost surely, 2^11140021422 is an apocalyptic number.

11140021422 is an abundant number, since it is smaller than the sum of its proper divisors (14021418738).

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

11140021422 is a wasteful number, since it uses less digits than its factorization.

11140021422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3381985 (or 3381979 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11140021422 its reverse (22412004111), we get a palindrome (33552025533).

The spelling of 11140021422 in words is "eleven billion, one hundred forty million, twenty-one thousand, four hundred twenty-two".