10020111056705 has 4 divisors (see below), whose sum is σ = 12024133268052. Its totient is φ = 8016088845360.

The previous prime is 10020111056693. The next prime is 10020111056713. The reversal of 10020111056705 is 50765011102001.

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 5727324871489 + 4292786185216 = 2393183^2 + 2071904^2 .

It is not a de Polignac number, because 10020111056705 - 2⁴ = 10020111056689 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1002011105666 + ... + 1002011105675.

It is an arithmetic number, because the mean of its divisors is an integer number (3006033317013).

Almost surely, 2^{10020111056705} is an apocalyptic number.

It is an amenable number.

10020111056705 is a deficient number, since it is larger than the sum of its proper divisors (2004022211347).

10020111056705 is an equidigital number, since it uses as much as digits as its factorization.

10020111056705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004022211346.

The product of its (nonzero) digits is 2100, while the sum is 29.

Adding to 10020111056705 its reverse (50765011102001), we get a palindrome (60785122158706).

The spelling of 10020111056705 in words is "ten trillion, twenty billion, one hundred eleven million, fifty-six thousand, seven hundred five".