1000220219953 has 2 divisors, whose sum is σ = 1000220219954. Its totient is φ = 1000220219952.

The previous prime is 1000220219951. The next prime is 1000220220001. The reversal of 1000220219953 is 3599120220001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 972408987664 + 27811232289 = 986108^2 + 166767^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000220219953 - 2¹ = 1000220219951 is a prime.

Together with 1000220219951, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1000220219951) 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, 500110109976 + 500110109977.

It is an arithmetic number, because the mean of its divisors is an integer number (500110109977).

Almost surely, 2^{1000220219953} is an apocalyptic number.

It is an amenable number.

1000220219953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000220219953 is an equidigital number, since it uses as much as digits as its factorization.

1000220219953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

Adding to 1000220219953 its reverse (3599120220001), we get a palindrome (4599340439954).

The spelling of 1000220219953 in words is "one trillion, two hundred twenty million, two hundred nineteen thousand, nine hundred fifty-three".