202102110222101 has 8 divisors (see below), whose sum is σ = 206002514239704. Its totient is φ = 198232297608960.

The previous prime is 202102110222097. The next prime is 202102110222113. The reversal of 202102110222101 is 101222011201202.

It can be written as a sum of positive squares in 4 ways, for example, as 5591337889201 + 196510772332900 = 2364601^2 + 14018230^2 .

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 202102110222101 - 2² = 202102110222097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202102110222101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202102110222601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7647837776 + ... + 7647864201.

It is an arithmetic number, because the mean of its divisors is an integer number (25750314279963).

Almost surely, 2^{202102110222101} is an apocalyptic number.

It is an amenable number.

202102110222101 is a deficient number, since it is larger than the sum of its proper divisors (3900404017603).

202102110222101 is a wasteful number, since it uses less digits than its factorization.

202102110222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15295702231.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202102110222101 its reverse (101222011201202), we get a palindrome (303324121423303).

The spelling of 202102110222101 in words is "two hundred two trillion, one hundred two billion, one hundred ten million, two hundred twenty-two thousand, one hundred one".