22201020313 has 2 divisors, whose sum is σ = 22201020314. Its totient is φ = 22201020312.

The previous prime is 22201020311. The next prime is 22201020329. The reversal of 22201020313 is 31302010222.

It is an a-pointer prime, because the next prime (22201020329) can be obtained adding 22201020313 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16270788249 + 5930232064 = 127557^2 + 77008^2 .

It is a cyclic number.

It is not a de Polignac number, because 22201020313 - 2¹ = 22201020311 is a prime.

Together with 22201020311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22201020311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100510156 + 11100510157.

It is an arithmetic number, because the mean of its divisors is an integer number (11100510157).

Almost surely, 2^22201020313 is an apocalyptic number.

It is an amenable number.

22201020313 is a deficient number, since it is larger than the sum of its proper divisors (1).

22201020313 is an equidigital number, since it uses as much as digits as its factorization.

22201020313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22201020313 its reverse (31302010222), we get a palindrome (53503030535).

The spelling of 22201020313 in words is "twenty-two billion, two hundred one million, twenty thousand, three hundred thirteen".