221210014007 has 2 divisors, whose sum is σ = 221210014008. Its totient is φ = 221210014006.

The previous prime is 221210014001. The next prime is 221210014009. The reversal of 221210014007 is 700410012122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221210014007 - 2⁶ = 221210013943 is a prime.

Together with 221210014009, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221210014007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221210014001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110605007003 + 110605007004.

It is an arithmetic number, because the mean of its divisors is an integer number (110605007004).

Almost surely, 2^221210014007 is an apocalyptic number.

221210014007 is a deficient number, since it is larger than the sum of its proper divisors (1).

221210014007 is an equidigital number, since it uses as much as digits as its factorization.

221210014007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 221210014007 its reverse (700410012122), we get a palindrome (921620026129).

The spelling of 221210014007 in words is "two hundred twenty-one billion, two hundred ten million, fourteen thousand, seven".