202220212001 has 4 divisors (see below), whose sum is σ = 204779961600. Its totient is φ = 199660462404.

The previous prime is 202220211997. The next prime is 202220212031. The reversal of 202220212001 is 100212022202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 202220212001 - 2² = 202220211997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202220212031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1279874681 + ... + 1279874838.

It is an arithmetic number, because the mean of its divisors is an integer number (51194990400).

Almost surely, 2^202220212001 is an apocalyptic number.

It is an amenable number.

202220212001 is a deficient number, since it is larger than the sum of its proper divisors (2559749599).

202220212001 is an equidigital number, since it uses as much as digits as its factorization.

202220212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2559749598.

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

Adding to 202220212001 its reverse (100212022202), we get a palindrome (302432234203).

The spelling of 202220212001 in words is "two hundred two billion, two hundred twenty million, two hundred twelve thousand, one".