20211000222201 has 8 divisors (see below), whose sum is σ = 27225814732704. Its totient is φ = 13335092929920.

The previous prime is 20211000222173. The next prime is 20211000222247. The reversal of 20211000222201 is 10222200011202.

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

It is not a de Polignac number, because 20211000222201 - 2⁵ = 20211000222169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20211000222271) 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, 34726804215 + ... + 34726804796.

It is an arithmetic number, because the mean of its divisors is an integer number (3403226841588).

Almost surely, 2^{20211000222201} is an apocalyptic number.

It is an amenable number.

20211000222201 is a deficient number, since it is larger than the sum of its proper divisors (7014814510503).

20211000222201 is an equidigital number, since it uses as much as digits as its factorization.

20211000222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69453609111.

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

Adding to 20211000222201 its reverse (10222200011202), we get a palindrome (30433200233403).

The spelling of 20211000222201 in words is "twenty trillion, two hundred eleven billion, two hundred twenty-two thousand, two hundred one".