2021201012097 has 48 divisors (see below), whose sum is σ = 3013457363280. Its totient is φ = 1304481024000.

The previous prime is 2021201012093. The next prime is 2021201012099. The reversal of 2021201012097 is 7902101021202.

It can be written as a sum of positive squares in 8 ways, for example, as 1364775351696 + 656425660401 = 1168236^2 + 810201^2 .

It is not a de Polignac number, because 2021201012097 - 2² = 2021201012093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2021201012097.

It is not an unprimeable number, because it can be changed into a prime (2021201012093) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 131230597 + ... + 131245997.

It is an arithmetic number, because the mean of its divisors is an integer number (62780361735).

Almost surely, 2^{2021201012097} is an apocalyptic number.

It is an amenable number.

2021201012097 is a deficient number, since it is larger than the sum of its proper divisors (992256351183).

2021201012097 is a wasteful number, since it uses less digits than its factorization.

2021201012097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17394 (or 17391 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

Adding to 2021201012097 its reverse (7902101021202), we get a palindrome (9923302033299).

The spelling of 2021201012097 in words is "two trillion, twenty-one billion, two hundred one million, twelve thousand, ninety-seven".