1000244413221 has 8 divisors (see below), whose sum is σ = 1334303817120. Its totient is φ = 666507309072.

The previous prime is 1000244413187. The next prime is 1000244413261. The reversal of 1000244413221 is 1223144420001.

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

It is not a de Polignac number, because 1000244413221 - 2¹³ = 1000244405029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000244413191 and 1000244413200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000244413261) 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, 80567695 + ... + 80580108.

It is an arithmetic number, because the mean of its divisors is an integer number (166787977140).

Almost surely, 2^{1000244413221} is an apocalyptic number.

It is an amenable number.

1000244413221 is a deficient number, since it is larger than the sum of its proper divisors (334059403899).

1000244413221 is a wasteful number, since it uses less digits than its factorization.

1000244413221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161149875.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1000244413221 its reverse (1223144420001), we get a palindrome (2223388833222).

The spelling of 1000244413221 in words is "one trillion, two hundred forty-four million, four hundred thirteen thousand, two hundred twenty-one".