1022211019097 has 2 divisors, whose sum is σ = 1022211019098. Its totient is φ = 1022211019096.

The previous prime is 1022211019091. The next prime is 1022211019121. The reversal of 1022211019097 is 7909101122201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 810412252441 + 211798766656 = 900229^2 + 460216^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022211019097 - 2⁶ = 1022211019033 is a prime.

It is not a weakly prime, because it can be changed into another prime (1022211019091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511105509548 + 511105509549.

It is an arithmetic number, because the mean of its divisors is an integer number (511105509549).

Almost surely, 2^{1022211019097} is an apocalyptic number.

It is an amenable number.

1022211019097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022211019097 is an equidigital number, since it uses as much as digits as its factorization.

1022211019097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 35.

The spelling of 1022211019097 in words is "one trillion, twenty-two billion, two hundred eleven million, nineteen thousand, ninety-seven".