202001020122001 has 8 divisors (see below), whose sum is σ = 214168231263744. Its totient is φ = 189865453224000.

The previous prime is 202001020121947. The next prime is 202001020122049. The reversal of 202001020122001 is 100221020100202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 202001020122001 - 2⁹ = 202001020121489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202001020122071) 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, 7911047785 + ... + 7911073318.

It is an arithmetic number, because the mean of its divisors is an integer number (26771028907968).

Almost surely, 2^{202001020122001} is an apocalyptic number.

It is an amenable number.

202001020122001 is a deficient number, since it is larger than the sum of its proper divisors (12167211141743).

202001020122001 is a wasteful number, since it uses less digits than its factorization.

202001020122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15822121871.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 202001020122001 its reverse (100221020100202), we get a palindrome (302222040222203).

The spelling of 202001020122001 in words is "two hundred two trillion, one billion, twenty million, one hundred twenty-two thousand, one".