1022201109997 has 2 divisors, whose sum is σ = 1022201109998. Its totient is φ = 1022201109996.

The previous prime is 1022201109977. The next prime is 1022201110001. The reversal of 1022201109997 is 7999011022201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1021178965156 + 1022144841 = 1010534^2 + 31971^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022201109997 - 2¹⁵ = 1022201077229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022201109947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511100554998 + 511100554999.

It is an arithmetic number, because the mean of its divisors is an integer number (511100554999).

Almost surely, 2^{1022201109997} is an apocalyptic number.

It is an amenable number.

1022201109997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022201109997 is an equidigital number, since it uses as much as digits as its factorization.

1022201109997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 43.

The spelling of 1022201109997 in words is "one trillion, twenty-two billion, two hundred one million, one hundred nine thousand, nine hundred ninety-seven".