1202200021097 has 2 divisors, whose sum is σ = 1202200021098. Its totient is φ = 1202200021096.

The previous prime is 1202200021069. The next prime is 1202200021129. The reversal of 1202200021097 is 7901200022021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1184492662336 + 17707358761 = 1088344^2 + 133069^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202200021097 - 2⁸ = 1202200020841 is a prime.

It is not a weakly prime, because it can be changed into another prime (1202200021027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601100010548 + 601100010549.

It is an arithmetic number, because the mean of its divisors is an integer number (601100010549).

Almost surely, 2^{1202200021097} is an apocalyptic number.

It is an amenable number.

1202200021097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202200021097 is an equidigital number, since it uses as much as digits as its factorization.

1202200021097 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 26.

The spelling of 1202200021097 in words is "one trillion, two hundred two billion, two hundred million, twenty-one thousand, ninety-seven".