1013021113243 has 8 divisors (see below), whose sum is σ = 1084411540800. Its totient is φ = 943438038408.

The previous prime is 1013021113231. The next prime is 1013021113297. The reversal of 1013021113243 is 3423111203101.

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 1013021113243 - 2⁹ = 1013021112731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013021113343) 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, 451837021 + ... + 451839262.

It is an arithmetic number, because the mean of its divisors is an integer number (135551442600).

Almost surely, 2^{1013021113243} is an apocalyptic number.

1013021113243 is a deficient number, since it is larger than the sum of its proper divisors (71390427557).

1013021113243 is an equidigital number, since it uses as much as digits as its factorization.

1013021113243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903676361.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1013021113243 its reverse (3423111203101), we get a palindrome (4436132316344).

The spelling of 1013021113243 in words is "one trillion, thirteen billion, twenty-one million, one hundred thirteen thousand, two hundred forty-three".