1022000002109 has 2 divisors, whose sum is σ = 1022000002110. Its totient is φ = 1022000002108.

The previous prime is 1022000002091. The next prime is 1022000002129. The reversal of 1022000002109 is 9012000002201.

Together with previous prime (1022000002091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 882406603225 + 139593398884 = 939365^2 + 373622^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022000002109 - 2⁸ = 1022000001853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022000002129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511000001054 + 511000001055.

It is an arithmetic number, because the mean of its divisors is an integer number (511000001055).

Almost surely, 2^{1022000002109} is an apocalyptic number.

It is an amenable number.

1022000002109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022000002109 is an equidigital number, since it uses as much as digits as its factorization.

1022000002109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The spelling of 1022000002109 in words is "one trillion, twenty-two billion, two thousand, one hundred nine".