202221221001 has 8 divisors (see below), whose sum is σ = 269924267904. Its totient is φ = 134666160720.

The previous prime is 202221220991. The next prime is 202221221011. The reversal of 202221221001 is 100122122202.

202221221001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (202221220991) and next prime (202221221011).

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

It is not a de Polignac number, because 202221221001 - 2⁵ = 202221220969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202221221011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36993466 + ... + 36998931.

It is an arithmetic number, because the mean of its divisors is an integer number (33740533488).

Almost surely, 2^202221221001 is an apocalyptic number.

It is an amenable number.

202221221001 is a deficient number, since it is larger than the sum of its proper divisors (67703046903).

202221221001 is an equidigital number, since it uses as much as digits as its factorization.

202221221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73993311.

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

Adding to 202221221001 its reverse (100122122202), we get a palindrome (302343343203).

The spelling of 202221221001 in words is "two hundred two billion, two hundred twenty-one million, two hundred twenty-one thousand, one".