2021205433025 has 6 divisors (see below), whose sum is σ = 2506294736982. Its totient is φ = 1616964346400.

The previous prime is 2021205433007. The next prime is 2021205433043. The reversal of 2021205433025 is 5203345021202.

It is an interprime number because it is at equal distance from previous prime (2021205433007) and next prime (2021205433043).

It can be written as a sum of positive squares in 3 ways, for example, as 332601344656 + 1688604088369 = 576716^2 + 1299463^2 .

It is not a de Polignac number, because 2021205433025 - 2²⁰ = 2021204384449 is a prime.

It is a Duffinian 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, 40424108636 + ... + 40424108685.

It is an arithmetic number, because the mean of its divisors is an integer number (417715789497).

Almost surely, 2^{2021205433025} is an apocalyptic number.

2021205433025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2021205433025 is a deficient number, since it is larger than the sum of its proper divisors (485089303957).

2021205433025 is an equidigital number, since it uses as much as digits as its factorization.

2021205433025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80848217331 (or 80848217326 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The spelling of 2021205433025 in words is "two trillion, twenty-one billion, two hundred five million, four hundred thirty-three thousand, twenty-five".