202121010202001 has 8 divisors (see below), whose sum is σ = 233465979698784. Its totient is φ = 172937762739520.

The previous prime is 202121010201989. The next prime is 202121010202063. The reversal of 202121010202001 is 100202010121202.

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 202121010202001 - 2³⁰ = 202119936460177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202121010202901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540430508375 + ... + 540430508748.

It is an arithmetic number, because the mean of its divisors is an integer number (29183247462348).

Almost surely, 2^{202121010202001} is an apocalyptic number.

It is an amenable number.

202121010202001 is a deficient number, since it is larger than the sum of its proper divisors (31344969496783).

202121010202001 is a wasteful number, since it uses less digits than its factorization.

202121010202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080861017151.

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

Adding to 202121010202001 its reverse (100202010121202), we get a palindrome (302323020323203).

The spelling of 202121010202001 in words is "two hundred two trillion, one hundred twenty-one billion, ten million, two hundred two thousand, one".