1013441110421 has 4 divisors (see below), whose sum is σ = 1014623656332. Its totient is φ = 1012258564512.

The previous prime is 1013441110321. The next prime is 1013441110457. The reversal of 1013441110421 is 1240111443101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 927966156100 + 85474954321 = 963310^2 + 292361^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1013441110421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013441110321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 591271670 + ... + 591273383.

It is an arithmetic number, because the mean of its divisors is an integer number (253655914083).

Almost surely, 2^{1013441110421} is an apocalyptic number.

It is an amenable number.

1013441110421 is a deficient number, since it is larger than the sum of its proper divisors (1182545911).

1013441110421 is an equidigital number, since it uses as much as digits as its factorization.

1013441110421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182545910.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 1013441110421 its reverse (1240111443101), we get a palindrome (2253552553522).

The spelling of 1013441110421 in words is "one trillion, thirteen billion, four hundred forty-one million, one hundred ten thousand, four hundred twenty-one".