202022001221001 has 48 divisors (see below), whose sum is σ = 300809997582336. Its totient is φ = 120473896390848.

The previous prime is 202022001220981. The next prime is 202022001221023. The reversal of 202022001221001 is 100122100220202.

It is not a de Polignac number, because 202022001221001 - 2³⁹ = 201472245407113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202022001211001) 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 47 ways as a sum of consecutive naturals, for example, 33714105 + ... + 39251558.

It is an arithmetic number, because the mean of its divisors is an integer number (6266874949632).

Almost surely, 2^{202022001221001} is an apocalyptic number.

It is an amenable number.

202022001221001 is a deficient number, since it is larger than the sum of its proper divisors (98787996361335).

202022001221001 is a wasteful number, since it uses less digits than its factorization.

202022001221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72965862 (or 72965849 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202022001221001 its reverse (100122100220202), we get a palindrome (302144101441203).

The spelling of 202022001221001 in words is "two hundred two trillion, twenty-two billion, one million, two hundred twenty-one thousand, one".