1013044221001 has 4 divisors (see below), whose sum is σ = 1013249669904. Its totient is φ = 1012838772100.

The previous prime is 1013044220987. The next prime is 1013044221031. The reversal of 1013044221001 is 1001224403101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1013044221001 - 2¹³ = 1013044212809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1013044221001.

It is not an unprimeable number, because it can be changed into a prime (1013044221031) 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 3 ways as a sum of consecutive naturals, for example, 102717055 + ... + 102726916.

It is an arithmetic number, because the mean of its divisors is an integer number (253312417476).

Almost surely, 2^{1013044221001} is an apocalyptic number.

It is an amenable number.

1013044221001 is a deficient number, since it is larger than the sum of its proper divisors (205448903).

1013044221001 is an equidigital number, since it uses as much as digits as its factorization.

1013044221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205448902.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1013044221001 its reverse (1001224403101), we get a palindrome (2014268624102).

The spelling of 1013044221001 in words is "one trillion, thirteen billion, forty-four million, two hundred twenty-one thousand, one".