11021400422 has 4 divisors (see below), whose sum is σ = 16532100636. Its totient is φ = 5510700210.

The previous prime is 11021400409. The next prime is 11021400437. The reversal of 11021400422 is 22400412011.

11021400422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11021400422.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 2755350104 + ... + 2755350107.

It is an arithmetic number, because the mean of its divisors is an integer number (4133025159).

Almost surely, 2^11021400422 is an apocalyptic number.

11021400422 is a deficient number, since it is larger than the sum of its proper divisors (5510700214).

11021400422 is an equidigital number, since it uses as much as digits as its factorization.

11021400422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5510700213.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11021400422 its reverse (22400412011), we get a palindrome (33421812433).

The spelling of 11021400422 in words is "eleven billion, twenty-one million, four hundred thousand, four hundred twenty-two".