22050014504521 has 2 divisors, whose sum is σ = 22050014504522. Its totient is φ = 22050014504520.

The previous prime is 22050014504513. The next prime is 22050014504599. The reversal of 22050014504521 is 12540541005022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16005600490000 + 6044414014521 = 4000700^2 + 2458539^2 .

It is a cyclic number.

It is not a de Polignac number, because 22050014504521 - 2³ = 22050014504513 is a prime.

It is a super-2 number, since 2×22050014504521² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22050014504621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11025007252260 + 11025007252261.

It is an arithmetic number, because the mean of its divisors is an integer number (11025007252261).

Almost surely, 2^{22050014504521} is an apocalyptic number.

It is an amenable number.

22050014504521 is a deficient number, since it is larger than the sum of its proper divisors (1).

22050014504521 is an equidigital number, since it uses as much as digits as its factorization.

22050014504521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 22050014504521 its reverse (12540541005022), we get a palindrome (34590555509543).

The spelling of 22050014504521 in words is "twenty-two trillion, fifty billion, fourteen million, five hundred four thousand, five hundred twenty-one".