22012021327 has 2 divisors, whose sum is σ = 22012021328. Its totient is φ = 22012021326.

The previous prime is 22012021309. The next prime is 22012021333. The reversal of 22012021327 is 72312021022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22012021327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22012021298 and 22012021307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22012021357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006010663 + 11006010664.

It is an arithmetic number, because the mean of its divisors is an integer number (11006010664).

Almost surely, 2^22012021327 is an apocalyptic number.

22012021327 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012021327 is an equidigital number, since it uses as much as digits as its factorization.

22012021327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

Adding to 22012021327 its reverse (72312021022), we get a palindrome (94324042349).

The spelling of 22012021327 in words is "twenty-two billion, twelve million, twenty-one thousand, three hundred twenty-seven".