1021021210201 has 8 divisors (see below), whose sum is σ = 1078468016384. Its totient is φ = 965106318960.

The previous prime is 1021021210199. The next prime is 1021021210211. The reversal of 1021021210201 is 1020121201201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1021021210201 - 2¹ = 1021021210199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021021210211) 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 7 ways as a sum of consecutive naturals, for example, 382977366 + ... + 382980031.

It is an arithmetic number, because the mean of its divisors is an integer number (134808502048).

Almost surely, 2^{1021021210201} is an apocalyptic number.

It is an amenable number.

1021021210201 is a deficient number, since it is larger than the sum of its proper divisors (57446806183).

1021021210201 is an equidigital number, since it uses as much as digits as its factorization.

1021021210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765957471.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1021021210201 its reverse (1020121201201), we get a palindrome (2041142411402).

The spelling of 1021021210201 in words is "one trillion, twenty-one billion, twenty-one million, two hundred ten thousand, two hundred one".