22010001221807 has 2 divisors, whose sum is σ = 22010001221808. Its totient is φ = 22010001221806.

The previous prime is 22010001221801. The next prime is 22010001221843. The reversal of 22010001221807 is 70812210001022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22010001221807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22010001221801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005000610903 + 11005000610904.

It is an arithmetic number, because the mean of its divisors is an integer number (11005000610904).

Almost surely, 2^{22010001221807} is an apocalyptic number.

22010001221807 is a deficient number, since it is larger than the sum of its proper divisors (1).

22010001221807 is an equidigital number, since it uses as much as digits as its factorization.

22010001221807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 26.

Adding to 22010001221807 its reverse (70812210001022), we get a palindrome (92822211222829).

The spelling of 22010001221807 in words is "twenty-two trillion, ten billion, one million, two hundred twenty-one thousand, eight hundred seven".