220201022201 has 4 divisors (see below), whose sum is σ = 229774979712. Its totient is φ = 210627064692.

The previous prime is 220201022191. The next prime is 220201022233. The reversal of 220201022201 is 102220102022.

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, and also an emirpimes, since its reverse is a distinct semiprime: 102220102022 = 2 ⋅51110051011.

It is a cyclic number.

It is not a de Polignac number, because 220201022201 - 2²² = 220196827897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220201024201) 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, 4786978721 + ... + 4786978766.

It is an arithmetic number, because the mean of its divisors is an integer number (57443744928).

Almost surely, 2^220201022201 is an apocalyptic number.

It is an amenable number.

220201022201 is a deficient number, since it is larger than the sum of its proper divisors (9573957511).

220201022201 is an equidigital number, since it uses as much as digits as its factorization.

220201022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9573957510.

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

Adding to 220201022201 its reverse (102220102022), we get a palindrome (322421124223).

The spelling of 220201022201 in words is "two hundred twenty billion, two hundred one million, twenty-two thousand, two hundred one".