1020211232025 has 24 divisors (see below), whose sum is σ = 1697919780544. Its totient is φ = 540509256000.

The previous prime is 1020211231997. The next prime is 1020211232041. The reversal of 1020211232025 is 5202321120201.

It is not a de Polignac number, because 1020211232025 - 2²⁰ = 1020210183449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020211231992 and 1020211232010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45031114 + ... + 45053763.

Almost surely, 2^{1020211232025} is an apocalyptic number.

1020211232025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1020211232025 is a deficient number, since it is larger than the sum of its proper divisors (677708548519).

1020211232025 is a wasteful number, since it uses less digits than its factorization.

1020211232025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90085041 (or 90085036 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 1020211232025 its reverse (5202321120201), we get a palindrome (6222532352226).

The spelling of 1020211232025 in words is "one trillion, twenty billion, two hundred eleven million, two hundred thirty-two thousand, twenty-five".