2072111036225 has 6 divisors (see below), whose sum is σ = 2569417684950. Its totient is φ = 1657688828960.

The previous prime is 2072111036173. The next prime is 2072111036227. The reversal of 2072111036225 is 5226301112702.

It can be written as a sum of positive squares in 3 ways, for example, as 31353076624 + 2040757959601 = 177068^2 + 1428551^2 .

It is not a de Polignac number, because 2072111036225 - 2²⁴ = 2072094259009 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2072111036191 and 2072111036200.

It is not an unprimeable number, because it can be changed into a prime (2072111036227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41442220700 + ... + 41442220749.

It is an arithmetic number, because the mean of its divisors is an integer number (428236280825).

Almost surely, 2^{2072111036225} is an apocalyptic number.

2072111036225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2072111036225 is a deficient number, since it is larger than the sum of its proper divisors (497306648725).

2072111036225 is an equidigital number, since it uses as much as digits as its factorization.

2072111036225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82884441459 (or 82884441454 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 2072111036225 its reverse (5226301112702), we get a palindrome (7298412148927).

The spelling of 2072111036225 in words is "two trillion, seventy-two billion, one hundred eleven million, thirty-six thousand, two hundred twenty-five".