1020202221201 has 16 divisors (see below), whose sum is σ = 1404186785280. Its totient is φ = 658177407360.

The previous prime is 1020202221163. The next prime is 1020202221257. The reversal of 1020202221201 is 1021222020201.

It is not a de Polignac number, because 1020202221201 - 2¹⁵ = 1020202188433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020202221301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3975871 + ... + 4224683.

It is an arithmetic number, because the mean of its divisors is an integer number (87761674080).

Almost surely, 2^{1020202221201} is an apocalyptic number.

It is an amenable number.

1020202221201 is a deficient number, since it is larger than the sum of its proper divisors (383984564079).

1020202221201 is a wasteful number, since it uses less digits than its factorization.

1020202221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292936.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1020202221201 its reverse (1021222020201), we get a palindrome (2041424241402).

The spelling of 1020202221201 in words is "one trillion, twenty billion, two hundred two million, two hundred twenty-one thousand, two hundred one".