100022221222109 has 2 divisors, whose sum is σ = 100022221222110. Its totient is φ = 100022221222108.

The previous prime is 100022221222097. The next prime is 100022221222171. The reversal of 100022221222109 is 901222122220001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66828744763225 + 33193476458884 = 8174885^2 + 5761378^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100022221222109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100022221222709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50011110611054 + 50011110611055.

It is an arithmetic number, because the mean of its divisors is an integer number (50011110611055).

Almost surely, 2^{100022221222109} is an apocalyptic number.

It is an amenable number.

100022221222109 is a deficient number, since it is larger than the sum of its proper divisors (1).

100022221222109 is an equidigital number, since it uses as much as digits as its factorization.

100022221222109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 100022221222109 in words is "one hundred trillion, twenty-two billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred nine".