1013404413121 has 4 divisors (see below), whose sum is σ = 1014629812272. Its totient is φ = 1012179013972.

The previous prime is 1013404413107. The next prime is 1013404413157. The reversal of 1013404413121 is 1213144043101.

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 1013404413121 - 2⁹ = 1013404412609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013404413101) 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, 612698335 + ... + 612699988.

It is an arithmetic number, because the mean of its divisors is an integer number (253657453068).

Almost surely, 2^{1013404413121} is an apocalyptic number.

It is an amenable number.

1013404413121 is a deficient number, since it is larger than the sum of its proper divisors (1225399151).

1013404413121 is an equidigital number, since it uses as much as digits as its factorization.

1013404413121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225399150.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 1013404413121 its reverse (1213144043101), we get a palindrome (2226548456222).

The spelling of 1013404413121 in words is "one trillion, thirteen billion, four hundred four million, four hundred thirteen thousand, one hundred twenty-one".