1000222200101 has 8 divisors (see below), whose sum is σ = 1002836035608. Its totient is φ = 997608960000.

The previous prime is 1000222200077. The next prime is 1000222200121. The reversal of 1000222200101 is 1010022220001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 229250397601 + 770971802500 = 478801^2 + 878050^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000222200101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000222200121) 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 in 7 ways as a sum of consecutive naturals, for example, 3320711 + ... + 3609371.

It is an arithmetic number, because the mean of its divisors is an integer number (125354504451).

Almost surely, 2^{1000222200101} is an apocalyptic number.

It is an amenable number.

1000222200101 is a deficient number, since it is larger than the sum of its proper divisors (2613835507).

1000222200101 is an equidigital number, since it uses as much as digits as its factorization.

1000222200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297703.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1000222200101 its reverse (1010022220001), we get a palindrome (2010244420102).

The spelling of 1000222200101 in words is "one trillion, two hundred twenty-two million, two hundred thousand, one hundred one".