22321321051 has 2 divisors, whose sum is σ = 22321321052. Its totient is φ = 22321321050.

The previous prime is 22321320913. The next prime is 22321321067. The reversal of 22321321051 is 15012312322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22321321051 - 2¹¹ = 22321319003 is a prime.

It is a super-3 number, since 3×22321321051³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (22321321651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11160660525 + 11160660526.

It is an arithmetic number, because the mean of its divisors is an integer number (11160660526).

Almost surely, 2^22321321051 is an apocalyptic number.

22321321051 is a deficient number, since it is larger than the sum of its proper divisors (1).

22321321051 is an equidigital number, since it uses as much as digits as its factorization.

22321321051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 22321321051 its reverse (15012312322), we get a palindrome (37333633373).

The spelling of 22321321051 in words is "twenty-two billion, three hundred twenty-one million, three hundred twenty-one thousand, fifty-one".