202221220001 has 8 divisors (see below), whose sum is σ = 206387745984. Its totient is φ = 198067695280.

The previous prime is 202221219983. The next prime is 202221220009. The reversal of 202221220001 is 100022122202.

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 202221220001 - 2²² = 202217025697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202221220009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3218885 + ... + 3281106.

It is an arithmetic number, because the mean of its divisors is an integer number (25798468248).

Almost surely, 2^202221220001 is an apocalyptic number.

It is an amenable number.

202221220001 is a deficient number, since it is larger than the sum of its proper divisors (4166525983).

202221220001 is an equidigital number, since it uses as much as digits as its factorization.

202221220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6500631.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202221220001 its reverse (100022122202), we get a palindrome (302243342203).

The spelling of 202221220001 in words is "two hundred two billion, two hundred twenty-one million, two hundred twenty thousand, one".