202221200122001 has 16 divisors (see below), whose sum is σ = 204770373784704. Its totient is φ = 199681617237504.

The previous prime is 202221200121961. The next prime is 202221200122009. The reversal of 202221200122001 is 100221002122202.

It is a happy number.

202221200122001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 202221200122001 - 2¹⁰ = 202221200120977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202221200122009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348648431 + ... + 349227963.

It is an arithmetic number, because the mean of its divisors is an integer number (12798148361544).

Almost surely, 2^{202221200122001} is an apocalyptic number.

It is an amenable number.

202221200122001 is a deficient number, since it is larger than the sum of its proper divisors (2549173662703).

202221200122001 is an equidigital number, since it uses as much as digits as its factorization.

202221200122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587800.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202221200122001 its reverse (100221002122202), we get a palindrome (302442202244203).

The spelling of 202221200122001 in words is "two hundred two trillion, two hundred twenty-one billion, two hundred million, one hundred twenty-two thousand, one".