1020211120325 has 12 divisors (see below), whose sum is σ = 1265115398340. Its totient is φ = 816134309760.

The previous prime is 1020211120321. The next prime is 1020211120381. The reversal of 1020211120325 is 5230211120201.

It can be written as a sum of positive squares in 6 ways, for example, as 1996927969 + 1018214192356 = 44687^2 + 1009066^2 .

It is not a de Polignac number, because 1020211120325 - 2² = 1020211120321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020211120297 and 1020211120306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020211120321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 254474 + ... + 1450923.

It is an arithmetic number, because the mean of its divisors is an integer number (105426283195).

Almost surely, 2^{1020211120325} is an apocalyptic number.

It is an amenable number.

1020211120325 is a deficient number, since it is larger than the sum of its proper divisors (244904278015).

1020211120325 is a wasteful number, since it uses less digits than its factorization.

1020211120325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729336 (or 1729331 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 1020211120325 its reverse (5230211120201), we get a palindrome (6250422240526).

The spelling of 1020211120325 in words is "one trillion, twenty billion, two hundred eleven million, one hundred twenty thousand, three hundred twenty-five".