11322133621 has 2 divisors, whose sum is σ = 11322133622. Its totient is φ = 11322133620.

The previous prime is 11322133601. The next prime is 11322133673. The reversal of 11322133621 is 12633122311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8025651396 + 3296482225 = 89586^2 + 57415^2 .

It is an emirp because it is prime and its reverse (12633122311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11322133621 - 2³¹ = 9174649973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11322133601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661066810 + 5661066811.

It is an arithmetic number, because the mean of its divisors is an integer number (5661066811).

Almost surely, 2^11322133621 is an apocalyptic number.

It is an amenable number.

11322133621 is a deficient number, since it is larger than the sum of its proper divisors (1).

11322133621 is an equidigital number, since it uses as much as digits as its factorization.

11322133621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 25.

Adding to 11322133621 its reverse (12633122311), we get a palindrome (23955255932).

The spelling of 11322133621 in words is "eleven billion, three hundred twenty-two million, one hundred thirty-three thousand, six hundred twenty-one".