221122030307 has 2 divisors, whose sum is σ = 221122030308. Its totient is φ = 221122030306.

The previous prime is 221122030279. The next prime is 221122030309. The reversal of 221122030307 is 703030221122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221122030307 - 2⁶ = 221122030243 is a prime.

It is a super-3 number, since 3×221122030307³ (a number of 35 digits) contains 333 as substring.

Together with 221122030309, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (221122030309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110561015153 + 110561015154.

It is an arithmetic number, because the mean of its divisors is an integer number (110561015154).

Almost surely, 2^221122030307 is an apocalyptic number.

221122030307 is a deficient number, since it is larger than the sum of its proper divisors (1).

221122030307 is an equidigital number, since it uses as much as digits as its factorization.

221122030307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

Adding to 221122030307 its reverse (703030221122), we get a palindrome (924152251429).

The spelling of 221122030307 in words is "two hundred twenty-one billion, one hundred twenty-two million, thirty thousand, three hundred seven".