21022022220201 has 112 divisors (see below), whose sum is σ = 32096630529600. Its totient is φ = 13760008016256.

The previous prime is 21022022220169. The next prime is 21022022220203. The reversal of 21022022220201 is 10202222022012.

21022022220201 is a `hidden beast` number, since 2 + 1 + 0 + 220 + 22 + 220 + 201 = 666.

It is not a de Polignac number, because 21022022220201 - 2⁵ = 21022022220169 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21022022220203) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 10239659091 + ... + 10239661143.

It is an arithmetic number, because the mean of its divisors is an integer number (286577058300).

Almost surely, 2^{21022022220201} is an apocalyptic number.

It is an amenable number.

21022022220201 is a deficient number, since it is larger than the sum of its proper divisors (11074608309399).

21022022220201 is an equidigital number, since it uses as much as digits as its factorization.

21022022220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3122 (or 3107 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 21022022220201 its reverse (10202222022012), we get a palindrome (31224244242213).

The spelling of 21022022220201 in words is "twenty-one trillion, twenty-two billion, twenty-two million, two hundred twenty thousand, two hundred one".