1020222000949 has 2 divisors, whose sum is σ = 1020222000950. Its totient is φ = 1020222000948.

The previous prime is 1020222000907. The next prime is 1020222001027. The reversal of 1020222000949 is 9490002220201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 680595300324 + 339626700625 = 824982^2 + 582775^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020222000949 - 2⁹ = 1020222000437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1020222000949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020222009949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510111000474 + 510111000475.

It is an arithmetic number, because the mean of its divisors is an integer number (510111000475).

Almost surely, 2^{1020222000949} is an apocalyptic number.

It is an amenable number.

1020222000949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020222000949 is an equidigital number, since it uses as much as digits as its factorization.

1020222000949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 1020222000949 in words is "one trillion, twenty billion, two hundred twenty-two million, nine hundred forty-nine", and thus it is an aban number.