11422121772441 has 4 divisors (see below), whose sum is σ = 15229495696592. Its totient is φ = 7614747848292.

The previous prime is 11422121772437. The next prime is 11422121772443. The reversal of 11422121772441 is 14427712122411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11422121772441 - 2² = 11422121772437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11422121772441.

It is not an unprimeable number, because it can be changed into a prime (11422121772443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1903686962071 + ... + 1903686962076.

It is an arithmetic number, because the mean of its divisors is an integer number (3807373924148).

Almost surely, 2^{11422121772441} is an apocalyptic number.

It is an amenable number.

11422121772441 is a deficient number, since it is larger than the sum of its proper divisors (3807373924151).

11422121772441 is an equidigital number, since it uses as much as digits as its factorization.

11422121772441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3807373924150.

The product of its digits is 50176, while the sum is 39.

Adding to 11422121772441 its reverse (14427712122411), we get a palindrome (25849833894852).

The spelling of 11422121772441 in words is "eleven trillion, four hundred twenty-two billion, one hundred twenty-one million, seven hundred seventy-two thousand, four hundred forty-one".