201021315030325 has 6 divisors (see below), whose sum is σ = 249266430637634. Its totient is φ = 160817052024240.

The previous prime is 201021315030271. The next prime is 201021315030383. The reversal of 201021315030325 is 523030513120102.

It can be written as a sum of positive squares in 3 ways, for example, as 767372496004 + 200253942534321 = 875998^2 + 14151111^2 .

It is not a de Polignac number, because 201021315030325 - 2⁷ = 201021315030197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201021315030293 and 201021315030302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4020426300582 + ... + 4020426300631.

Almost surely, 2^{201021315030325} is an apocalyptic number.

201021315030325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201021315030325 is a deficient number, since it is larger than the sum of its proper divisors (48245115607309).

201021315030325 is an equidigital number, since it uses as much as digits as its factorization.

201021315030325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8040852601223 (or 8040852601218 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 201021315030325 its reverse (523030513120102), we get a palindrome (724051828150427).

The spelling of 201021315030325 in words is "two hundred one trillion, twenty-one billion, three hundred fifteen million, thirty thousand, three hundred twenty-five".