1022012211197 has 2 divisors, whose sum is σ = 1022012211198. Its totient is φ = 1022012211196.

The previous prime is 1022012211149. The next prime is 1022012211203. The reversal of 1022012211197 is 7911122102201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 823554435001 + 198457776196 = 907499^2 + 445486^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022012211197 - 2³⁸ = 747134304253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022012211497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511006105598 + 511006105599.

It is an arithmetic number, because the mean of its divisors is an integer number (511006105599).

Almost surely, 2^{1022012211197} is an apocalyptic number.

It is an amenable number.

1022012211197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022012211197 is an equidigital number, since it uses as much as digits as its factorization.

1022012211197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 29.

Adding to 1022012211197 its reverse (7911122102201), we get a palindrome (8933134313398).

The spelling of 1022012211197 in words is "one trillion, twenty-two billion, twelve million, two hundred eleven thousand, one hundred ninety-seven".