202201022110001 has 4 divisors (see below), whose sum is σ = 206016135734772. Its totient is φ = 198385908485232.

The previous prime is 202201022109971. The next prime is 202201022110007. The reversal of 202201022110001 is 100011220102202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 73520335360000 + 128680686750001 = 8574400^2 + 11343751^2 .

It is a cyclic number.

It is not a de Polignac number, because 202201022110001 - 2¹⁰ = 202201022108977 is a prime.

It is a super-2 number, since 2×202201022110001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202201022110007) 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 3 ways as a sum of consecutive naturals, for example, 1907556812306 + ... + 1907556812411.

It is an arithmetic number, because the mean of its divisors is an integer number (51504033933693).

Almost surely, 2^{202201022110001} is an apocalyptic number.

It is an amenable number.

202201022110001 is a deficient number, since it is larger than the sum of its proper divisors (3815113624771).

202201022110001 is an equidigital number, since it uses as much as digits as its factorization.

202201022110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3815113624770.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202201022110001 its reverse (100011220102202), we get a palindrome (302212242212203).

The spelling of 202201022110001 in words is "two hundred two trillion, two hundred one billion, twenty-two million, one hundred ten thousand, one".