1020001012113 has 4 divisors (see below), whose sum is σ = 1360001349488. Its totient is φ = 680000674740.

The previous prime is 1020001012099. The next prime is 1020001012207. The reversal of 1020001012113 is 3112101000201.

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 not a de Polignac number, because 1020001012113 - 2¹⁰ = 1020001011089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020001014113) 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, 170000168683 + ... + 170000168688.

It is an arithmetic number, because the mean of its divisors is an integer number (340000337372).

Almost surely, 2^{1020001012113} is an apocalyptic number.

It is an amenable number.

1020001012113 is a deficient number, since it is larger than the sum of its proper divisors (340000337375).

1020001012113 is an equidigital number, since it uses as much as digits as its factorization.

1020001012113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340000337374.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 1020001012113 its reverse (3112101000201), we get a palindrome (4132102012314).

The spelling of 1020001012113 in words is "one trillion, twenty billion, one million, twelve thousand, one hundred thirteen".