11421312022 has 4 divisors (see below), whose sum is σ = 17131968036. Its totient is φ = 5710656010.

The previous prime is 11421312013. The next prime is 11421312029. The reversal of 11421312022 is 22021312411.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11421312029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2855328004 + ... + 2855328007.

It is an arithmetic number, because the mean of its divisors is an integer number (4282992009).

Almost surely, 2^11421312022 is an apocalyptic number.

11421312022 is a deficient number, since it is larger than the sum of its proper divisors (5710656014).

11421312022 is an equidigital number, since it uses as much as digits as its factorization.

11421312022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5710656013.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11421312022 its reverse (22021312411), we get a palindrome (33442624433).

The spelling of 11421312022 in words is "eleven billion, four hundred twenty-one million, three hundred twelve thousand, twenty-two".