1010020011013 has 4 divisors (see below), whose sum is σ = 1087713858028. Its totient is φ = 932326164000.

The previous prime is 1010020010999. The next prime is 1010020011037. The reversal of 1010020011013 is 3101100200101.

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 359348694849 + 650671316164 = 599457^2 + 806642^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010020011013 - 2³³ = 1001430076421 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 (1010020011613) 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, 38846923488 + ... + 38846923513.

It is an arithmetic number, because the mean of its divisors is an integer number (271928464507).

Almost surely, 2^{1010020011013} is an apocalyptic number.

1010020011013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1010020011013 is a deficient number, since it is larger than the sum of its proper divisors (77693847015).

1010020011013 is an equidigital number, since it uses as much as digits as its factorization.

1010020011013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77693847014.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 1010020011013 its reverse (3101100200101), we get a palindrome (4111120211114).

The spelling of 1010020011013 in words is "one trillion, ten billion, twenty million, eleven thousand, thirteen".