11222341421 has 2 divisors, whose sum is σ = 11222341422. Its totient is φ = 11222341420.

The previous prime is 11222341409. The next prime is 11222341433. The reversal of 11222341421 is 12414322211.

It is a balanced prime because it is at equal distance from previous prime (11222341409) and next prime (11222341433).

It can be written as a sum of positive squares in only one way, i.e., 7817035396 + 3405306025 = 88414^2 + 58355^2 .

It is an emirp because it is prime and its reverse (12414322211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11222341421 - 2¹⁰ = 11222340397 is a prime.

It is a super-4 number, since 4×11222341421⁴ (a number of 41 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11222341441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611170710 + 5611170711.

It is an arithmetic number, because the mean of its divisors is an integer number (5611170711).

Almost surely, 2^11222341421 is an apocalyptic number.

It is an amenable number.

11222341421 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222341421 is an equidigital number, since it uses as much as digits as its factorization.

11222341421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 23.

Adding to 11222341421 its reverse (12414322211), we get a palindrome (23636663632).

The spelling of 11222341421 in words is "eleven billion, two hundred twenty-two million, three hundred forty-one thousand, four hundred twenty-one".