1220011002073 has 2 divisors, whose sum is σ = 1220011002074. Its totient is φ = 1220011002072.

The previous prime is 1220011002059. The next prime is 1220011002109. The reversal of 1220011002073 is 3702001100221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1090013257369 + 129997744704 = 1044037^2 + 360552^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220011002073 - 2³⁷ = 1082572048601 is a prime.

It is a super-2 number, since 2×1220011002073² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1220011002073.

It is not a weakly prime, because it can be changed into another prime (1220011009073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610005501036 + 610005501037.

It is an arithmetic number, because the mean of its divisors is an integer number (610005501037).

Almost surely, 2^{1220011002073} is an apocalyptic number.

It is an amenable number.

1220011002073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220011002073 is an equidigital number, since it uses as much as digits as its factorization.

1220011002073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 1220011002073 its reverse (3702001100221), we get a palindrome (4922012102294).

The spelling of 1220011002073 in words is "one trillion, two hundred twenty billion, eleven million, two thousand, seventy-three".