1013041203121 has 8 divisors (see below), whose sum is σ = 1091158212320. Its totient is φ = 937404099072.

The previous prime is 1013041203113. The next prime is 1013041203127. The reversal of 1013041203121 is 1213021403101.

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

It is a cyclic number.

It is not a de Polignac number, because 1013041203121 - 2³ = 1013041203113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013041203127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 619975440 + ... + 619977073.

It is an arithmetic number, because the mean of its divisors is an integer number (136394776540).

Almost surely, 2^{1013041203121} is an apocalyptic number.

It is an amenable number.

1013041203121 is a deficient number, since it is larger than the sum of its proper divisors (78117009199).

1013041203121 is a wasteful number, since it uses less digits than its factorization.

1013041203121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239952575.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1013041203121 its reverse (1213021403101), we get a palindrome (2226062606222).

The spelling of 1013041203121 in words is "one trillion, thirteen billion, forty-one million, two hundred three thousand, one hundred twenty-one".