201020220100001 has 8 divisors (see below), whose sum is σ = 206957942016000. Its totient is φ = 195131773884960.

The previous prime is 201020220099989. The next prime is 201020220100027. The reversal of 201020220100001 is 100001022020102.

It is a happy number.

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 201020220100001 - 2²² = 201020215905697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201020220100031) 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, 12318916961 + ... + 12318933278.

It is an arithmetic number, because the mean of its divisors is an integer number (25869742752000).

Almost surely, 2^{201020220100001} is an apocalyptic number.

It is an amenable number.

201020220100001 is a deficient number, since it is larger than the sum of its proper divisors (5937721915999).

201020220100001 is a wasteful number, since it uses less digits than its factorization.

201020220100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24637850479.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 201020220100001 its reverse (100001022020102), we get a palindrome (301021242120103).

The spelling of 201020220100001 in words is "two hundred one trillion, twenty billion, two hundred twenty million, one hundred thousand, one".