200122001021001 has 32 divisors (see below), whose sum is σ = 272268533053440. Its totient is φ = 130702626422784.

The previous prime is 200122001020993. The next prime is 200122001021057. The reversal of 200122001021001 is 100120100221002.

It is not a de Polignac number, because 200122001021001 - 2³ = 200122001020993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200122001021101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 662190936 + ... + 662493078.

It is an arithmetic number, because the mean of its divisors is an integer number (8508391657920).

Almost surely, 2^{200122001021001} is an apocalyptic number.

It is an amenable number.

200122001021001 is a deficient number, since it is larger than the sum of its proper divisors (72146532032439).

200122001021001 is a wasteful number, since it uses less digits than its factorization.

200122001021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308385.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 200122001021001 its reverse (100120100221002), we get a palindrome (300242101242003).

The spelling of 200122001021001 in words is "two hundred trillion, one hundred twenty-two billion, one million, twenty-one thousand, one".