212021202102001 has 8 divisors (see below), whose sum is σ = 212430655201608. Its totient is φ = 211611758592000.

The previous prime is 212021202101963. The next prime is 212021202102041. The reversal of 212021202102001 is 100201202120212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8255283986401 + 203765918115600 = 2873201^2 + 14274660^2 .

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 212021202102001 - 2¹³ = 212021202093809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212021202102041) 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, 42681841 + ... + 47389681.

It is an arithmetic number, because the mean of its divisors is an integer number (26553831900201).

Almost surely, 2^{212021202102001} is an apocalyptic number.

It is an amenable number.

212021202102001 is a deficient number, since it is larger than the sum of its proper divisors (409453099607).

212021202102001 is an equidigital number, since it uses as much as digits as its factorization.

212021202102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4794803.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212021202102001 its reverse (100201202120212), we get a palindrome (312222404222213).

The spelling of 212021202102001 in words is "two hundred twelve trillion, twenty-one billion, two hundred two million, one hundred two thousand, one".