22121310307 has 2 divisors, whose sum is σ = 22121310308. Its totient is φ = 22121310306.

The previous prime is 22121310269. The next prime is 22121310331. The reversal of 22121310307 is 70301312122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22121310307 - 2¹⁵ = 22121277539 is a prime.

It is not a weakly prime, because it can be changed into another prime (22121314307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060655153 + 11060655154.

It is an arithmetic number, because the mean of its divisors is an integer number (11060655154).

Almost surely, 2^22121310307 is an apocalyptic number.

22121310307 is a deficient number, since it is larger than the sum of its proper divisors (1).

22121310307 is an equidigital number, since it uses as much as digits as its factorization.

22121310307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 22121310307 its reverse (70301312122), we get a palindrome (92422622429).

The spelling of 22121310307 in words is "twenty-two billion, one hundred twenty-one million, three hundred ten thousand, three hundred seven".