11421022 has 4 divisors (see below), whose sum is σ = 17131536. Its totient is φ = 5710510.

The previous prime is 11421019. The next prime is 11421029. The reversal of 11421022 is 22012411.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 11420993 and 11421011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421029) by changing a digit.

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 as a sum of consecutive naturals, namely, 2855254 + ... + 2855257.

It is an arithmetic number, because the mean of its divisors is an integer number (4282884).

Almost surely, 2^11421022 is an apocalyptic number.

11421022 is a deficient number, since it is larger than the sum of its proper divisors (5710514).

11421022 is an equidigital number, since it uses as much as digits as its factorization.

11421022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5710513.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 11421022 is about 3379.5002589140. The cubic root of 11421022 is about 225.1999670841.

Adding to 11421022 its reverse (22012411), we get a palindrome (33433433).

The spelling of 11421022 in words is "eleven million, four hundred twenty-one thousand, twenty-two".