22211320801 has 2 divisors, whose sum is σ = 22211320802. Its totient is φ = 22211320800.

The previous prime is 22211320799. The next prime is 22211320819. The reversal of 22211320801 is 10802311222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18481043025 + 3730277776 = 135945^2 + 61076^2 .

It is a cyclic number.

It is not a de Polignac number, because 22211320801 - 2¹ = 22211320799 is a prime.

Together with 22211320799, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22211320871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11105660400 + 11105660401.

It is an arithmetic number, because the mean of its divisors is an integer number (11105660401).

Almost surely, 2^22211320801 is an apocalyptic number.

It is an amenable number.

22211320801 is a deficient number, since it is larger than the sum of its proper divisors (1).

22211320801 is an equidigital number, since it uses as much as digits as its factorization.

22211320801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

The spelling of 22211320801 in words is "twenty-two billion, two hundred eleven million, three hundred twenty thousand, eight hundred one".